#253B4D#253B4D

#253B4D is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.042 H 244.2°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#253B4D
RGB	rgb(37, 59, 77)
HSL	hsl(207, 35%, 22%)
HSV	hsv(207, 52%, 30%)
CMYK	cmyk(51.9%, 23.4%, 0%, 69.8%)
CIE-LAB	lab(23.86, -2.87, -13.66)
CIE-LCH	lch(23.86, 13.96, 258.14°)
OKLab	oklab(34.23% -0.0184 -0.038)
OKLCH	oklch(34.23% 0.042 244.2)
XYZ	xyz(3.6660, 4.0568, 7.6096)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B4D #4D3725

analogous

#254D4B #253B4D #25274D

triadic

#253B4D #4D253B #3B4D25

tetradic

#253B4D #4B254D #4D3725 #274D25

square

#253B4D #4B254D #4D3725 #274D25

split-complementary

#253B4D #4D2527 #4D4B25

monochromatic

#0A1015 #111B24 #253B4D #395B76 #4D7AA0

Accessibility & contrast

On white

11.59

#253B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#253B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B4D

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B4D	#FFFFFF	#000000	##FFFFFF
##253B4D	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4E

Deuteranopia (green-blind)

#2E374D

Tritanopia (blue-blind)

#133F41

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #253b4d;
/* rgb */ color: rgb(37, 59, 77);
/* oklch */ color: oklch(34.2% 0.042 244.2);

Tailwind

colors: {
  custom: {
    50: '#62707e',
    500: '#253b4d',
    950: '#000000',
  },
}

SCSS

$custom: #253b4d;
$custom-light: #62707e;
$custom-dark: #000000;

JSON

{
  "hex": "#253b4d",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 77
  },
  "hsl": {
    "h": 207,
    "s": 35.088,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34229,
    "c": 0.04222,
    "h": 244.2
  },
  "luminance": 0.04057
}

Semantic roles & 50–950 ramp

primary

#253B4D

secondary

#80644E

accent

#8E5DCB

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #253B4D

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

Preview Lab → · Contrast checker → · Palette generator →