#253D4E#253D4E

#253D4E is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.042 H 240.4°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#253D4E
RGB	rgb(37, 61, 78)
HSL	hsl(205, 36%, 23%)
HSV	hsv(205, 53%, 31%)
CMYK	cmyk(52.6%, 21.8%, 0%, 69.4%)
CIE-LAB	lab(24.58, -3.84, -13.21)
CIE-LCH	lch(24.58, 13.76, 253.79°)
OKLab	oklab(34.81% -0.0209 -0.0367)
OKLCH	oklch(34.81% 0.042 240.4)
XYZ	xyz(3.8064, 4.2806, 7.8319)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D4E #4E3625

analogous

#254E4A #253D4E #25294E

triadic

#253D4E #4E253D #3D4E25

tetradic

#253D4E #4A254E #4E3625 #294E25

square

#253D4E #4A254E #4E3625 #294E25

split-complementary

#253D4E #4E2529 #4E4A25

monochromatic

#0A1015 #111D24 #253D4E #395D78 #4C7EA1

Accessibility & contrast

On white

11.31

#253D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#253D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D4E

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D4E	#FFFFFF	#000000	##FFFFFF
##253D4E	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363D4F

Deuteranopia (green-blind)

#30384E

Tritanopia (blue-blind)

#124143

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #253d4e;
/* rgb */ color: rgb(37, 61, 78);
/* oklch */ color: oklch(34.8% 0.042 240.4);

Tailwind

colors: {
  custom: {
    50: '#62727f',
    500: '#253d4e',
    950: '#000000',
  },
}

SCSS

$custom: #253d4e;
$custom-light: #62727f;
$custom-dark: #000000;

JSON

{
  "hex": "#253d4e",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 204.878,
    "s": 35.652,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34813,
    "c": 0.04224,
    "h": 240.4
  },
  "luminance": 0.04281
}

Semantic roles & 50–950 ramp

primary

#253D4E

secondary

#81634E

accent

#8A5CCC

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #253D4E

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

Preview Lab → · Contrast checker → · Palette generator →