#25517D#25517D

#25517D is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.6% C 0.088 H 250.7°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#25517D
RGB	rgb(37, 81, 125)
HSL	hsl(210, 54%, 32%)
HSV	hsv(210, 70%, 49%)
CMYK	cmyk(70.4%, 35.2%, 0%, 51%)
CIE-LAB	lab(33.47, 0.31, -29.34)
CIE-LCH	lch(33.47, 29.34, 270.60°)
OKLab	oklab(42.6% -0.0292 -0.0832)
OKLCH	oklch(42.6% 0.088 250.7)
XYZ	xyz(7.4057, 7.7581, 20.5052)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25517D #7D5125

analogous

#257D7D #25517D #25257D

triadic

#25517D #7D2551 #517D25

tetradic

#25517D #7D257D #7D5125 #257D25

square

#25517D #7D257D #7D5125 #257D25

split-complementary

#25517D #7D2525 #7D7D25

monochromatic

#09141F #17324E #25517D #3370AC #518ECB

Accessibility & contrast

On white

8.23

#25517D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#25517D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25517D

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25517D	#FFFFFF	#000000	##FFFFFF
##25517D	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D537F

Deuteranopia (green-blind)

#314B7C

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #25517d;
/* rgb */ color: rgb(37, 81, 125);
/* oklch */ color: oklch(42.6% 0.088 250.7);

Tailwind

colors: {
  custom: {
    50: '#6a81a3',
    500: '#25517d',
    950: '#000000',
  },
}

SCSS

$custom: #25517d;
$custom-light: #6a81a3;
$custom-dark: #000000;

JSON

{
  "hex": "#25517d",
  "rgb": {
    "r": 37,
    "g": 81,
    "b": 125
  },
  "hsl": {
    "h": 210,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.42597,
    "c": 0.08817,
    "h": 250.7
  },
  "luminance": 0.07759
}

Semantic roles & 50–950 ramp

primary

#25517D

secondary

#AF7F4F

accent

#944ADE

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #25517D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →