#253580#253580

#253580 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.128 H 269.8°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#253580
RGB	rgb(37, 53, 128)
HSL	hsl(229, 55%, 32%)
HSV	hsv(229, 71%, 50%)
CMYK	cmyk(71.1%, 58.6%, 0%, 49.8%)
CIE-LAB	lab(25.25, 20.51, -44.38)
CIE-LCH	lch(25.25, 48.89, 294.80°)
OKLab	oklab(36.35% -0.0005 -0.1278)
OKLCH	oklch(36.35% 0.128 269.8)
XYZ	xyz(5.9310, 4.4975, 20.9734)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253580 #807025

analogous

#256280 #253580 #432580

triadic

#253580 #802535 #358025

tetradic

#253580 #802562 #807025 #258043

square

#253580 #802562 #807025 #258043

split-complementary

#253580 #804325 #628025

monochromatic

#0A0E21 #172151 #253580 #3349AF #5268CD

Accessibility & contrast

On white

11.05

#253580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#253580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253580

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253580	#FFFFFF	#000000	##FFFFFF
##253580	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004083

Deuteranopia (green-blind)

#00387F

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #253580;
/* rgb */ color: rgb(37, 53, 128);
/* oklch */ color: oklch(36.3% 0.128 269.8);

Tailwind

colors: {
  custom: {
    50: '#6c6ca5',
    500: '#253580',
    950: '#000000',
  },
}

SCSS

$custom: #253580;
$custom-light: #6c6ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#253580",
  "rgb": {
    "r": 37,
    "g": 53,
    "b": 128
  },
  "hsl": {
    "h": 229.451,
    "s": 55.152,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36345,
    "c": 0.1278,
    "h": 269.8
  },
  "luminance": 0.04498
}

Semantic roles & 50–950 ramp

primary

#253580

secondary

#B1A050

accent

#C449DE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #253580

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

Preview Lab → · Contrast checker → · Palette generator →