#25637F#25637F

#25637F is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.3% C 0.077 H 231.2°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#25637F
RGB	rgb(37, 99, 127)
HSL	hsl(199, 55%, 32%)
HSV	hsv(199, 71%, 50%)
CMYK	cmyk(70.9%, 22%, 0%, 50.2%)
CIE-LAB	lab(39.32, -10.11, -21.42)
CIE-LCH	lch(39.32, 23.69, 244.73°)
OKLab	oklab(47.26% -0.0483 -0.0601)
OKLCH	oklch(47.26% 0.077 231.2)
XYZ	xyz(9.0540, 10.8483, 21.6913)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25637F #7F4125

analogous

#257F6E #25637F #25367F

triadic

#25637F #7F2563 #637F25

tetradic

#25637F #6E257F #7F4125 #367F25

square

#25637F #6E257F #7F4125 #367F25

split-complementary

#25637F #7F2536 #7F6E25

monochromatic

#091920 #173E50 #25637F #3388AE #52A6CD

Accessibility & contrast

On white

6.63

#25637F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#25637F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #25637F

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25637F	#FFFFFF	#000000	##FFFFFF
##25637F	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556280

Deuteranopia (green-blind)

#49597F

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #25637f;
/* rgb */ color: rgb(37, 99, 127);
/* oklch */ color: oklch(47.3% 0.077 231.2);

Tailwind

colors: {
  custom: {
    50: '#6b8fa4',
    500: '#25637f',
    950: '#000000',
  },
}

SCSS

$custom: #25637f;
$custom-light: #6b8fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#25637f",
  "rgb": {
    "r": 37,
    "g": 99,
    "b": 127
  },
  "hsl": {
    "h": 198.667,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.47259,
    "c": 0.07707,
    "h": 231.2
  },
  "luminance": 0.10849
}

Semantic roles & 50–950 ramp

primary

#25637F

secondary

#B16D4F

accent

#784ADE

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #25637F

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

Preview Lab → · Contrast checker → · Palette generator →