#25537F#25537F

#25537F is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.2% C 0.089 H 249.7°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#25537F
RGB	rgb(37, 83, 127)
HSL	hsl(209, 55%, 32%)
HSV	hsv(209, 71%, 50%)
CMYK	cmyk(70.9%, 34.6%, 0%, 50.2%)
CIE-LAB	lab(34.21, -0.23, -29.41)
CIE-LCH	lch(34.21, 29.41, 269.56°)
OKLab	oklab(43.21% -0.0308 -0.0834)
OKLCH	oklch(43.21% 0.089 249.7)
XYZ	xyz(7.6855, 8.1113, 21.2352)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25537F #7F5125

analogous

#257F7E #25537F #25267F

triadic

#25537F #7F2553 #537F25

tetradic

#25537F #7E257F #7F5125 #267F25

square

#25537F #7E257F #7F5125 #267F25

split-complementary

#25537F #7F2526 #7F7E25

monochromatic

#091520 #173450 #25537F #3372AE #5291CD

Accessibility & contrast

On white

8.01

#25537F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#25537F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25537F

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25537F	#FFFFFF	#000000	##FFFFFF
##25537F	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5581

Deuteranopia (green-blind)

#334D7E

Tritanopia (blue-blind)

#005D63

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #25537f;
/* rgb */ color: rgb(37, 83, 127);
/* oklch */ color: oklch(43.2% 0.089 249.7);

Tailwind

colors: {
  custom: {
    50: '#6b83a4',
    500: '#25537f',
    950: '#000000',
  },
}

SCSS

$custom: #25537f;
$custom-light: #6b83a4;
$custom-dark: #000000;

JSON

{
  "hex": "#25537f",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 127
  },
  "hsl": {
    "h": 209.333,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.43213,
    "c": 0.08886,
    "h": 249.7
  },
  "luminance": 0.08112
}

Semantic roles & 50–950 ramp

primary

#25537F

secondary

#B17F4F

accent

#924ADE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #25537F

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

Preview Lab → · Contrast checker → · Palette generator →