#253F4E#253F4E

#253F4E is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.041 H 234.9°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#253F4E
RGB	rgb(37, 63, 78)
HSL	hsl(202, 36%, 23%)
HSV	hsv(202, 53%, 31%)
CMYK	cmyk(52.6%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(25.25, -5.14, -12.18)
CIE-LCH	lch(25.25, 13.22, 247.11°)
OKLab	oklab(35.35% -0.0237 -0.0338)
OKLCH	oklch(35.35% 0.041 234.9)
XYZ	xyz(3.9151, 4.4981, 7.8682)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F4E #4E3425

analogous

#254E48 #253F4E #252B4E

triadic

#253F4E #4E253F #3F4E25

tetradic

#253F4E #48254E #4E3425 #2B4E25

square

#253F4E #48254E #4E3425 #2B4E25

split-complementary

#253F4E #4E252B #4E4825

monochromatic

#0A1115 #111D24 #253F4E #396178 #4C82A1

Accessibility & contrast

On white

11.05

#253F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#253F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F4E

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F4E	#FFFFFF	#000000	##FFFFFF
##253F4E	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E4F

Deuteranopia (green-blind)

#323A4E

Tritanopia (blue-blind)

#114344

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #253f4e;
/* rgb */ color: rgb(37, 63, 78);
/* oklch */ color: oklch(35.3% 0.041 234.9);

Tailwind

colors: {
  custom: {
    50: '#62747f',
    500: '#253f4e',
    950: '#000000',
  },
}

SCSS

$custom: #253f4e;
$custom-light: #62747f;
$custom-dark: #000000;

JSON

{
  "hex": "#253f4e",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 201.951,
    "s": 35.652,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35348,
    "c": 0.04126,
    "h": 234.9
  },
  "luminance": 0.04498
}

Semantic roles & 50–950 ramp

primary

#253F4E

secondary

#81604E

accent

#855CCC

background

#F5F7F7

surface

#EAEDEE

border

#C6C8C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #253F4E

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

Preview Lab → · Contrast checker → · Palette generator →