#25637D#25637D

#25637D is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.2% C 0.075 H 229.3°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#25637D
RGB	rgb(37, 99, 125)
HSL	hsl(198, 54%, 32%)
HSV	hsv(198, 70%, 49%)
CMYK	cmyk(70.4%, 20.8%, 0%, 51%)
CIE-LAB	lab(39.24, -10.82, -20.34)
CIE-LCH	lch(39.24, 23.04, 241.98°)
OKLab	oklab(47.16% -0.0491 -0.057)
OKLCH	oklch(47.16% 0.075 229.3)
XYZ	xyz(8.9250, 10.7967, 21.0117)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25637D #7D3F25

analogous

#257D6B #25637D #25377D

triadic

#25637D #7D2563 #637D25

tetradic

#25637D #6B257D #7D3F25 #377D25

square

#25637D #6B257D #7D3F25 #377D25

split-complementary

#25637D #7D2537 #7D6B25

monochromatic

#09181F #173E4E #25637D #3388AC #51A7CB

Accessibility & contrast

On white

6.65

#25637D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#25637D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #25637D

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25637D	#FFFFFF	#000000	##FFFFFF
##25637D	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56617E

Deuteranopia (green-blind)

#49597D

Tritanopia (blue-blind)

#006A6C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #25637d;
/* rgb */ color: rgb(37, 99, 125);
/* oklch */ color: oklch(47.2% 0.075 229.3);

Tailwind

colors: {
  custom: {
    50: '#6b8fa2',
    500: '#25637d',
    950: '#000000',
  },
}

SCSS

$custom: #25637d;
$custom-light: #6b8fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#25637d",
  "rgb": {
    "r": 37,
    "g": 99,
    "b": 125
  },
  "hsl": {
    "h": 197.727,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.47159,
    "c": 0.0752,
    "h": 229.3
  },
  "luminance": 0.10798
}

Semantic roles & 50–950 ramp

primary

#25637D

secondary

#AF6B4F

accent

#764ADE

background

#F6F8FA

surface

#ECF0F3

border

#C7CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #25637D

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

Preview Lab → · Contrast checker → · Palette generator →