#253B84#253B84

#253B84 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.126 H 267.4°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#253B84
RGB	rgb(37, 59, 132)
HSL	hsl(226, 56%, 33%)
HSV	hsv(226, 72%, 52%)
CMYK	cmyk(72%, 55.3%, 0%, 48.2%)
CIE-LAB	lab(27.26, 17.90, -43.63)
CIE-LCH	lch(27.26, 47.16, 292.31°)
OKLab	oklab(37.95% -0.0056 -0.1255)
OKLCH	oklch(37.95% 0.126 267.4)
XYZ	xyz(6.4903, 5.1865, 22.4844)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B84 #846E25

analogous

#256A84 #253B84 #3E2584

triadic

#253B84 #84253B #3B8425

tetradic

#253B84 #84256A #846E25 #25843E

square

#253B84 #84256A #846E25 #25843E

split-complementary

#253B84 #843E25 #6A8425

monochromatic

#0A1024 #182654 #253B84 #3250B4 #5471CF

Accessibility & contrast

On white

10.31

#253B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#253B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B84

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B84	#FFFFFF	#000000	##FFFFFF
##253B84	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#054587

Deuteranopia (green-blind)

#003C83

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253b84;
/* rgb */ color: rgb(37, 59, 132);
/* oklch */ color: oklch(38.0% 0.126 267.4);

Tailwind

colors: {
  custom: {
    50: '#6c70a8',
    500: '#253b84',
    950: '#000000',
  },
}

SCSS

$custom: #253b84;
$custom-light: #6c70a8;
$custom-dark: #000000;

JSON

{
  "hex": "#253b84",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 132
  },
  "hsl": {
    "h": 226.105,
    "s": 56.213,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37953,
    "c": 0.12563,
    "h": 267.4
  },
  "luminance": 0.05187
}

Semantic roles & 50–950 ramp

primary

#253B84

secondary

#B39D51

accent

#BC48E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #253B84

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

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