#253A4F#253A4F

#253A4F is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.046 H 249.3°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#253A4F
RGB	rgb(37, 58, 79)
HSL	hsl(210, 36%, 23%)
HSV	hsv(210, 53%, 31%)
CMYK	cmyk(53.2%, 26.6%, 0%, 69%)
CIE-LAB	lab(23.62, -1.51, -15.36)
CIE-LCH	lch(23.62, 15.43, 264.38°)
OKLab	oklab(34.07% -0.0162 -0.0429)
OKLCH	oklch(34.07% 0.046 249.3)
XYZ	xyz(3.6868, 3.9837, 7.9703)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A4F #4F3A25

analogous

#254F4F #253A4F #25254F

triadic

#253A4F #4F253A #3A4F25

tetradic

#253A4F #4F254F #4F3A25 #254F25

square

#253A4F #4F254F #4F3A25 #254F25

split-complementary

#253A4F #4F2525 #4F4F25

monochromatic

#0A0F15 #111B25 #253A4F #395979 #4C77A2

Accessibility & contrast

On white

11.69

#253A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#253A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A4F

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A4F	#FFFFFF	#000000	##FFFFFF
##253A4F	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323B50

Deuteranopia (green-blind)

#2C364F

Tritanopia (blue-blind)

#123F41

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #253a4f;
/* rgb */ color: rgb(37, 58, 79);
/* oklch */ color: oklch(34.1% 0.046 249.3);

Tailwind

colors: {
  custom: {
    50: '#627080',
    500: '#253a4f',
    950: '#000000',
  },
}

SCSS

$custom: #253a4f;
$custom-light: #627080;
$custom-dark: #000000;

JSON

{
  "hex": "#253a4f",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 79
  },
  "hsl": {
    "h": 210,
    "s": 36.207,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34071,
    "c": 0.04582,
    "h": 249.3
  },
  "luminance": 0.03984
}

Semantic roles & 50–950 ramp

primary

#253A4F

secondary

#82684E

accent

#945CCC

background

#F5F6F7

surface

#EAECEE

border

#C6C7C9

text

#05070A

muted

#797A7C

Preview Lab

Preview with #253A4F

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

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