#259E8D

Closest named color: Persian Green (#2A9D8F). oklch(63.1% 0.105 180.9), rgb(37, 158, 141).

Aa

Black text reads best on this color (6.35:1).

About this color

#259E8D is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.105 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.005 away. Black text reads best on it, at 6.35:1.

Hue familyTeals and cyans
Lightnessmedium-light (63%)
Chromamoderately saturated (0.105)
Temperaturecool
Nearest namePersian Green (#2A9D8F)
Black text6.35:1
White text3.30:1

Values

HEX#259E8D
RGBrgb(37, 158, 141)
HSLhsl(172, 62%, 38%)
OKLCHoklch(63.1% 0.105 180.9)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #259E8D 3.30:1 AA large text Lc -65.5 Content text, not long reading
Black text on #259E8D 6.35:1 AA Lc 44.0 Non-text elements, placeholder text
#259E8D text on white 3.30:1 AA large text Lc 60.0 Content text, not long reading
#259E8D text on black 6.35:1 AA Lc -41.7 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F1F7F6

    oklch(97.1% 0.006 185.3)

  2. Step 100

    100

    #E0EDEA

    oklch(93.6% 0.014 180.7)

  3. Step 200

    200

    #C6E0DA

    oklch(88.6% 0.029 180.2)

  4. Step 300

    300

    #9DCCC2

    oklch(80.9% 0.051 180.4)

  5. Step 400

    400

    #62B2A3

    oklch(70.8% 0.082 180.3)

  6. Step 500

    500 (this color)

    #259E8D

    oklch(63.1% 0.105 180.9)

  7. Step 600

    600

    #008676

    oklch(55.6% 0.1 180.5)

  8. Step 700

    700

    #007163

    oklch(49.2% 0.089 180.3)

  9. Step 800

    800

    #005C51

    oklch(42.6% 0.077 181.1)

  10. Step 900

    900

    #004D44

    oklch(37.7% 0.068 181.7)

  11. Step 950

    950

    #072D28

    oklch(26.9% 0.043 182.5)

Export this scale for Tailwind in the Tailwind colors tool

#259E8D with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#97948C0.112
Deuteranopia (no green cones)#87888E0.107
Tritanopia (no blue cones)#00A1990.017
Achromatopsia (no color)#8D8D8D0.106

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #259E8D

    #259E8D

    oklch(63.1% 0.105 180.9)

  • #BD6D86

    #BD6D86

    oklch(63% 0.105 0.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #259E8D

    #259E8D

    oklch(63.1% 0.105 180.9)

  • #569C68

    #569C68

    oklch(63.3% 0.106 150.7)

  • #199AAD

    #199AAD

    oklch(63.1% 0.105 210.7)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #259E8D

    #259E8D

    oklch(63.1% 0.105 180.9)

  • #AE71A7

    #AE71A7

    oklch(63.1% 0.106 330.9)

  • #C17062

    #C17062

    oklch(63.1% 0.106 30.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #259E8D

    #259E8D

    oklch(63.1% 0.105 180.9)

  • #947ABF

    #947ABF

    oklch(63.1% 0.105 300.8)

  • #B77A42

    #B77A42

    oklch(63.1% 0.105 61.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #259E8D

    #259E8D

    oklch(63.1% 0.105 180.9)

  • #7285C9

    #7285C9

    oklch(63% 0.105 271.2)

  • #BD6D86

    #BD6D86

    oklch(63% 0.105 0.5)

  • #A18735

    #A18735

    oklch(63.2% 0.105 91.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #259E8D, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #259E8D in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.