#25517F#25517F

#25517F is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.7% C 0.091 H 251.6°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#25517F
RGB	rgb(37, 81, 127)
HSL	hsl(211, 55%, 32%)
HSV	hsv(211, 71%, 50%)
CMYK	cmyk(70.9%, 36.2%, 0%, 50.2%)
CIE-LAB	lab(33.58, 1.07, -30.40)
CIE-LCH	lch(33.58, 30.42, 272.01°)
OKLab	oklab(42.72% -0.0286 -0.0863)
OKLCH	oklch(42.72% 0.091 251.6)
XYZ	xyz(7.5347, 7.8097, 21.1849)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25517F #7F5325

analogous

#257E7F #25517F #26257F

triadic

#25517F #7F2551 #517F25

tetradic

#25517F #7F257E #7F5325 #257F26

square

#25517F #7F257E #7F5325 #257F26

split-complementary

#25517F #7F2625 #7E7F25

monochromatic

#091520 #173350 #25517F #336FAE #528ECD

Accessibility & contrast

On white

8.20

#25517F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#25517F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25517F

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25517F	#FFFFFF	#000000	##FFFFFF
##25517F	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D5481

Deuteranopia (green-blind)

#304B7E

Tritanopia (blue-blind)

#005C62

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #25517f;
/* rgb */ color: rgb(37, 81, 127);
/* oklch */ color: oklch(42.7% 0.091 251.6);

Tailwind

colors: {
  custom: {
    50: '#6b81a4',
    500: '#25517f',
    950: '#000000',
  },
}

SCSS

$custom: #25517f;
$custom-light: #6b81a4;
$custom-dark: #000000;

JSON

{
  "hex": "#25517f",
  "rgb": {
    "r": 37,
    "g": 81,
    "b": 127
  },
  "hsl": {
    "h": 210.667,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.42719,
    "c": 0.09092,
    "h": 251.6
  },
  "luminance": 0.0781
}

Semantic roles & 50–950 ramp

primary

#25517F

secondary

#B1814F

accent

#964ADE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #25517F

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

Preview Lab → · Contrast checker → · Palette generator →