#25537D#25537D

#25537D is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.1% C 0.086 H 248.6°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#25537D
RGB	rgb(37, 83, 125)
HSL	hsl(209, 54%, 32%)
HSV	hsv(209, 70%, 49%)
CMYK	cmyk(70.4%, 33.6%, 0%, 51%)
CIE-LAB	lab(34.11, -0.98, -28.34)
CIE-LCH	lch(34.11, 28.36, 268.02°)
OKLab	oklab(43.09% -0.0314 -0.0802)
OKLCH	oklch(43.09% 0.086 248.6)
XYZ	xyz(7.5565, 8.0597, 20.5555)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25537D #7D4F25

analogous

#257D7B #25537D #25277D

triadic

#25537D #7D2553 #537D25

tetradic

#25537D #7B257D #7D4F25 #277D25

square

#25537D #7B257D #7D4F25 #277D25

split-complementary

#25537D #7D2527 #7D7B25

monochromatic

#09141F #17344E #25537D #3372AC #5191CB

Accessibility & contrast

On white

8.04

#25537D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#25537D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25537D

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25537D	#FFFFFF	#000000	##FFFFFF
##25537D	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40557F

Deuteranopia (green-blind)

#344C7C

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #25537d;
/* rgb */ color: rgb(37, 83, 125);
/* oklch */ color: oklch(43.1% 0.086 248.6);

Tailwind

colors: {
  custom: {
    50: '#6a83a3',
    500: '#25537d',
    950: '#000000',
  },
}

SCSS

$custom: #25537d;
$custom-light: #6a83a3;
$custom-dark: #000000;

JSON

{
  "hex": "#25537d",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 125
  },
  "hsl": {
    "h": 208.636,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.43094,
    "c": 0.08617,
    "h": 248.6
  },
  "luminance": 0.0806
}

Semantic roles & 50–950 ramp

primary

#25537D

secondary

#AF7D4F

accent

#914ADE

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #25537D

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

Preview Lab → · Contrast checker → · Palette generator →