#25728E

Closest named color: Sea Blue (#047495). oklch(51.8% 0.085 226.5), rgb(37, 114, 142).

Aa

White text reads best on this color (5.41:1).

About this color

#25728E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.085 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.014 away. White text reads best on it, at 5.41:1.

Hue familyTeals and cyans
Lightnessmedium-dark (52%)
Chromamoderately saturated (0.085)
Temperaturecool
Nearest nameSea Blue (#047495)
Black text3.87:1
White text5.41:1

Values

HEX#25728E
RGBrgb(37, 114, 142)
HSLhsl(196, 59%, 35%)
OKLCHoklch(51.8% 0.085 226.5)

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 #25728E 5.41:1 AA Lc -82.0 Fine for body text
Black text on #25728E 3.87:1 AA large text Lc 27.4 Dividers and decoration only
#25728E text on white 5.41:1 AA Lc 76.7 Fine for body text
#25728E text on black 3.87:1 AA large text Lc -25.0 Dividers and decoration only

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 700.

  1. Step 50

    50

    #F2F6F8

    oklch(97.1% 0.005 228.8)

  2. Step 100

    100

    #E2ECF0

    oklch(93.7% 0.012 223.5)

  3. Step 200

    200

    #CADDE5

    oklch(88.6% 0.023 224.9)

  4. Step 300

    300

    #A5C7D5

    oklch(80.9% 0.041 224.8)

  5. Step 400

    400

    #73A9C0

    oklch(70.6% 0.066 226.5)

  6. Step 500

    500

    #4C94B1

    oklch(63.2% 0.084 226.7)

  7. Step 600

    600

    #297E9C

    oklch(55.6% 0.091 225.8)

  8. Step 700

    700 (this color)

    #25728E

    oklch(51.8% 0.085 226.5)

  9. Step 800

    800

    #1A566D

    oklch(42.6% 0.071 227.8)

  10. Step 900

    900

    #1D4758

    oklch(37.6% 0.055 227.5)

  11. Step 950

    950

    #122A34

    oklch(27.1% 0.035 227.4)

Export this scale for Tailwind in the Tailwind colors tool

#25728E 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)#63708F0.063
Deuteranopia (no green cones)#55658E0.057
Tritanopia (no blue cones)#007A7B0.047
Achromatopsia (no color)#6A6A6A0.085

Harmonies

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

Complementary

The opposite hue (180°).

  • #25728E

    #25728E

    oklch(51.8% 0.085 226.5)

  • #90583D

    #90583D

    oklch(51.7% 0.084 46.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #25728E

    #25728E

    oklch(51.8% 0.085 226.5)

  • #0F7779

    #0F7779

    oklch(51.8% 0.085 197)

  • #476A99

    #476A99

    oklch(51.9% 0.085 256.1)

Open the analogous palette in the generator

Split complementary

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

  • #25728E

    #25728E

    oklch(51.8% 0.085 226.5)

  • #935357

    #935357

    oklch(51.8% 0.085 16.5)

  • #84612A

    #84612A

    oklch(51.8% 0.085 76.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #25728E

    #25728E

    oklch(51.8% 0.085 226.5)

  • #8C5472

    #8C5472

    oklch(51.9% 0.084 347.1)

  • #6E6B2C

    #6E6B2C

    oklch(51.7% 0.084 106.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #25728E

    #25728E

    oklch(51.8% 0.085 226.5)

  • #7C5989

    #7C5989

    oklch(51.9% 0.084 316.6)

  • #90583D

    #90583D

    oklch(51.7% 0.084 46.1)

  • #517441

    #517441

    oklch(51.9% 0.086 136.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #25728E, closest first.

Similar named colors

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

Use #25728E 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.