#153B89#153B89

#153B89 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.7% C 0.137 H 262.4°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#153B89
RGB	rgb(21, 59, 137)
HSL	hsl(220, 73%, 31%)
HSV	hsv(220, 85%, 54%)
CMYK	cmyk(84.7%, 56.9%, 0%, 46.3%)
CIE-LAB	lab(27.00, 17.94, -47.20)
CIE-LCH	lch(27.00, 50.49, 290.82°)
OKLab	oklab(37.7% -0.0182 -0.1363)
OKLCH	oklch(37.7% 0.137 262.4)
XYZ	xyz(6.3870, 5.0927, 24.3084)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B89 #896315

analogous

#157589 #153B89 #291589

triadic

#153B89 #89153B #3B8915

tetradic

#153B89 #891575 #896315 #158929

square

#153B89 #891575 #896315 #158929

split-complementary

#153B89 #892915 #758915

monochromatic

#050D1F #0D2454 #153B89 #1D52BE #386FE0

Accessibility & contrast

On white

10.40

#153B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#153B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B89

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B89	#FFFFFF	#000000	##FFFFFF
##153B89	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458C

Deuteranopia (green-blind)

#003B87

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153b89;
/* rgb */ color: rgb(21, 59, 137);
/* oklch */ color: oklch(37.7% 0.137 262.4);

Tailwind

colors: {
  custom: {
    50: '#6870ac',
    500: '#153b89',
    950: '#000000',
  },
}

SCSS

$custom: #153b89;
$custom-light: #6870ac;
$custom-dark: #000000;

JSON

{
  "hex": "#153b89",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 137
  },
  "hsl": {
    "h": 220.345,
    "s": 73.418,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37696,
    "c": 0.13749,
    "h": 262.4
  },
  "luminance": 0.05094
}

Semantic roles & 50–950 ramp

primary

#153B89

secondary

#BD933D

accent

#B438F0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153B89

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

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