#25405D#25405D

#25405D is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.4% C 0.060 H 251.4°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#25405D
RGB	rgb(37, 64, 93)
HSL	hsl(211, 43%, 25%)
HSV	hsv(211, 60%, 36%)
CMYK	cmyk(60.2%, 31.2%, 0%, 63.5%)
CIE-LAB	lab(26.30, -0.51, -20.35)
CIE-LCH	lch(26.30, 20.36, 268.57°)
OKLab	oklab(36.41% -0.0193 -0.0572)
OKLCH	oklch(36.41% 0.06 251.4)
XYZ	xyz(4.5714, 4.8500, 11.0491)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25405D #5D4225

analogous

#255C5D #25405D #26255D

triadic

#25405D #5D2540 #405D25

tetradic

#25405D #5D255C #5D4225 #255D26

square

#25405D #5D255C #5D4225 #255D26

split-complementary

#25405D #5D2625 #5C5D25

monochromatic

#090F16 #142231 #25405D #365E89 #487CB5

Accessibility & contrast

On white

10.66

#25405D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#25405D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25405D

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25405D	#FFFFFF	#000000	##FFFFFF
##25405D	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34415E

Deuteranopia (green-blind)

#2D3C5C

Tritanopia (blue-blind)

#00474A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #25405d;
/* rgb */ color: rgb(37, 64, 93);
/* oklch */ color: oklch(36.4% 0.060 251.4);

Tailwind

colors: {
  custom: {
    50: '#64748b',
    500: '#25405d',
    950: '#000000',
  },
}

SCSS

$custom: #25405d;
$custom-light: #64748b;
$custom-dark: #000000;

JSON

{
  "hex": "#25405d",
  "rgb": {
    "r": 37,
    "g": 64,
    "b": 93
  },
  "hsl": {
    "h": 211.071,
    "s": 43.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36412,
    "c": 0.06038,
    "h": 251.4
  },
  "luminance": 0.0485
}

Semantic roles & 50–950 ramp

primary

#25405D

secondary

#90704D

accent

#9655D3

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #25405D

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

Preview Lab → · Contrast checker → · Palette generator →