#253D5D#253D5D

#253D5D is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.064 H 256.0°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#253D5D
RGB	rgb(37, 61, 93)
HSL	hsl(214, 43%, 25%)
HSV	hsv(214, 60%, 36%)
CMYK	cmyk(60.2%, 34.4%, 0%, 63.5%)
CIE-LAB	lab(25.32, 1.51, -21.88)
CIE-LCH	lch(25.32, 21.94, 273.94°)
OKLab	oklab(35.64% -0.0154 -0.0617)
OKLCH	oklch(35.64% 0.064 256)
XYZ	xyz(4.4068, 4.5208, 10.9942)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D5D #5D4525

analogous

#25595D #253D5D #29255D

triadic

#253D5D #5D253D #3D5D25

tetradic

#253D5D #5D2559 #5D4525 #255D29

square

#253D5D #5D2559 #5D4525 #255D29

split-complementary

#253D5D #5D2925 #595D25

monochromatic

#090E16 #142031 #253D5D #365A89 #4876B5

Accessibility & contrast

On white

11.03

#253D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#253D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D5D

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D5D	#FFFFFF	#000000	##FFFFFF
##253D5D	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303F5E

Deuteranopia (green-blind)

#293A5C

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #253d5d;
/* rgb */ color: rgb(37, 61, 93);
/* oklch */ color: oklch(35.6% 0.064 256.0);

Tailwind

colors: {
  custom: {
    50: '#64728b',
    500: '#253d5d',
    950: '#000000',
  },
}

SCSS

$custom: #253d5d;
$custom-light: #64728b;
$custom-dark: #000000;

JSON

{
  "hex": "#253d5d",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 93
  },
  "hsl": {
    "h": 214.286,
    "s": 43.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35645,
    "c": 0.06358,
    "h": 256
  },
  "luminance": 0.04521
}

Semantic roles & 50–950 ramp

primary

#253D5D

secondary

#90744D

accent

#9D55D3

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #253D5D

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

Preview Lab → · Contrast checker → · Palette generator →