#253E5B#253E5B

#253E5B is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.059 H 253.1°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#253E5B
RGB	rgb(37, 62, 91)
HSL	hsl(212, 42%, 25%)
HSV	hsv(212, 59%, 36%)
CMYK	cmyk(59.3%, 31.9%, 0%, 64.3%)
CIE-LAB	lab(25.54, 0.10, -20.24)
CIE-LCH	lch(25.54, 20.24, 270.28°)
OKLab	oklab(35.78% -0.0173 -0.0569)
OKLCH	oklch(35.78% 0.059 253.1)
XYZ	xyz(4.3732, 4.5935, 10.5517)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E5B #5B4225

analogous

#25595B #253E5B #27255B

triadic

#253E5B #5B253E #3E5B25

tetradic

#253E5B #5B2559 #5B4225 #255B27

square

#253E5B #5B2559 #5B4225 #255B27

split-complementary

#253E5B #5B2725 #595B25

monochromatic

#090F16 #13202F #253E5B #375C87 #4879B2

Accessibility & contrast

On white

10.94

#253E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#253E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E5B

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E5B	#FFFFFF	#000000	##FFFFFF
##253E5B	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323F5C

Deuteranopia (green-blind)

#2B3A5A

Tritanopia (blue-blind)

#034548

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #253e5b;
/* rgb */ color: rgb(37, 62, 91);
/* oklch */ color: oklch(35.8% 0.059 253.1);

Tailwind

colors: {
  custom: {
    50: '#647389',
    500: '#253e5b',
    950: '#000000',
  },
}

SCSS

$custom: #253e5b;
$custom-light: #647389;
$custom-dark: #000000;

JSON

{
  "hex": "#253e5b",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 91
  },
  "hsl": {
    "h": 212.222,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35782,
    "c": 0.05949,
    "h": 253.1
  },
  "luminance": 0.04594
}

Semantic roles & 50–950 ramp

primary

#253E5B

secondary

#8E704D

accent

#9856D2

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #253E5B

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

Preview Lab → · Contrast checker → · Palette generator →