#153B88#153B88

#153B88 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.6% C 0.136 H 262.3°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#153B88
RGB	rgb(21, 59, 136)
HSL	hsl(220, 73%, 31%)
HSV	hsv(220, 85%, 53%)
CMYK	cmyk(84.6%, 56.6%, 0%, 46.7%)
CIE-LAB	lab(26.92, 17.53, -46.70)
CIE-LCH	lch(26.92, 49.89, 290.57°)
OKLab	oklab(37.61% -0.0183 -0.1348)
OKLCH	oklch(37.61% 0.136 262.3)
XYZ	xyz(6.3156, 5.0642, 23.9324)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B88 #886215

analogous

#157488 #153B88 #281588

triadic

#153B88 #88153B #3B8815

tetradic

#153B88 #881574 #886215 #158828

square

#153B88 #881574 #886215 #158828

split-complementary

#153B88 #882815 #748815

monochromatic

#050D1E #0D2453 #153B88 #1D52BD #376FE0

Accessibility & contrast

On white

10.43

#153B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#153B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B88

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B88	#FFFFFF	#000000	##FFFFFF
##153B88	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458B

Deuteranopia (green-blind)

#003B86

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153b88;
/* rgb */ color: rgb(21, 59, 136);
/* oklch */ color: oklch(37.6% 0.136 262.3);

Tailwind

colors: {
  custom: {
    50: '#6870ab',
    500: '#153b88',
    950: '#000000',
  },
}

SCSS

$custom: #153b88;
$custom-light: #6870ab;
$custom-dark: #000000;

JSON

{
  "hex": "#153b88",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 136
  },
  "hsl": {
    "h": 220.174,
    "s": 73.248,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3761,
    "c": 0.13608,
    "h": 262.3
  },
  "luminance": 0.05065
}

Semantic roles & 50–950 ramp

primary

#153B88

secondary

#BC923D

accent

#B338F0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153B88

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

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