#253B60#253B60

#253B60 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.3% C 0.071 H 260.3°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#253B60
RGB	rgb(37, 59, 96)
HSL	hsl(218, 44%, 26%)
HSV	hsv(218, 61%, 38%)
CMYK	cmyk(61.5%, 38.5%, 0%, 62.4%)
CIE-LAB	lab(24.84, 3.99, -24.59)
CIE-LCH	lch(24.84, 24.91, 279.21°)
OKLab	oklab(35.33% -0.0119 -0.0696)
OKLCH	oklch(35.33% 0.071 260.3)
XYZ	xyz(4.4375, 4.3654, 11.6728)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B60 #604A25

analogous

#255860 #253B60 #2C2560

triadic

#253B60 #60253B #3B6025

tetradic

#253B60 #602558 #604A25 #25602C

square

#253B60 #602558 #604A25 #25602C

split-complementary

#253B60 #602C25 #586025

monochromatic

#090E16 #142034 #253B60 #36568C #4771B8

Accessibility & contrast

On white

11.21

#253B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#253B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B60

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B60	#FFFFFF	#000000	##FFFFFF
##253B60	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3E62

Deuteranopia (green-blind)

#24385F

Tritanopia (blue-blind)

#004349

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #253b60;
/* rgb */ color: rgb(37, 59, 96);
/* oklch */ color: oklch(35.3% 0.071 260.3);

Tailwind

colors: {
  custom: {
    50: '#65708d',
    500: '#253b60',
    950: '#000000',
  },
}

SCSS

$custom: #253b60;
$custom-light: #65708d;
$custom-dark: #000000;

JSON

{
  "hex": "#253b60",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 96
  },
  "hsl": {
    "h": 217.627,
    "s": 44.361,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35326,
    "c": 0.0706,
    "h": 260.3
  },
  "luminance": 0.04366
}

Semantic roles & 50–950 ramp

primary

#253B60

secondary

#93794D

accent

#A454D4

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #253B60

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

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