#259AA0

Closest named color: Sea (#3C9992). oklch(62.8% 0.098 200.2), rgb(37, 154, 160).

Aa

Black text reads best on this color (6.20:1).

About this color

#259AA0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.098 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.022 away. Black text reads best on it, at 6.20:1.

Hue familyTeals and cyans
Lightnessmedium-light (63%)
Chromamoderately saturated (0.098)
Temperaturecool
Nearest nameSea (#3C9992)
Black text6.20:1
White text3.38:1

Values

HEX#259AA0
RGBrgb(37, 154, 160)
HSLhsl(183, 62%, 39%)
OKLCHoklch(62.8% 0.098 200.2)

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 #259AA0 3.38:1 AA large text Lc -66.4 Content text, not long reading
Black text on #259AA0 6.20:1 AA Lc 43.2 Non-text elements, placeholder text
#259AA0 text on white 3.38:1 AA large text Lc 60.9 Content text, not long reading
#259AA0 text on black 6.20:1 AA Lc -40.8 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

    #F1F7F7

    oklch(97.2% 0.006 197.1)

  2. Step 100

    100

    #E0EDED

    oklch(93.6% 0.014 196.9)

  3. Step 200

    200

    #C6DFE0

    oklch(88.6% 0.027 199.6)

  4. Step 300

    300

    #9DCACD

    oklch(80.8% 0.047 201.3)

  5. Step 400

    400

    #62AFB4

    oklch(70.6% 0.077 201)

  6. Step 500

    500 (this color)

    #259AA0

    oklch(62.8% 0.098 200.2)

  7. Step 600

    600

    #008389

    oklch(55.5% 0.094 200.5)

  8. Step 700

    700

    #006F73

    oklch(49.2% 0.084 199.2)

  9. Step 800

    800

    #005B5F

    oklch(42.8% 0.073 200)

  10. Step 900

    900

    #004B4F

    oklch(37.5% 0.064 200.9)

  11. Step 950

    950

    #072C2E

    oklch(26.9% 0.04 200.3)

Export this scale for Tailwind in the Tailwind colors tool

#259AA0 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)#8E93A10.100
Deuteranopia (no green cones)#7D86A10.093
Tritanopia (no blue cones)#00A09C0.022
Achromatopsia (no color)#8C8C8C0.099

Harmonies

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

Complementary

The opposite hue (180°).

  • #259AA0

    #259AA0

    oklch(62.8% 0.098 200.2)

  • #BD6F6F

    #BD6F6F

    oklch(62.7% 0.099 20.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #259AA0

    #259AA0

    oklch(62.8% 0.098 200.2)

  • #3F9C80

    #3F9C80

    oklch(62.9% 0.098 170.2)

  • #3F93B8

    #3F93B8

    oklch(62.7% 0.098 230.1)

Open the analogous palette in the generator

Split complementary

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

  • #259AA0

    #259AA0

    oklch(62.8% 0.098 200.2)

  • #B56F91

    #B56F91

    oklch(62.8% 0.098 349.8)

  • #B87650

    #B87650

    oklch(62.7% 0.098 50.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #259AA0

    #259AA0

    oklch(62.8% 0.098 200.2)

  • #A375AD

    #A375AD

    oklch(62.8% 0.097 320.3)

  • #A7823D

    #A7823D

    oklch(62.8% 0.098 80.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #259AA0

    #259AA0

    oklch(62.8% 0.098 200.2)

  • #887EC0

    #887EC0

    oklch(62.8% 0.098 290.2)

  • #BD6F6F

    #BD6F6F

    oklch(62.7% 0.099 20.3)

  • #8C8E43

    #8C8E43

    oklch(62.9% 0.098 110.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #259AA0, closest first.

Similar named colors

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

Use #259AA0 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.