#153D88#153D88

#153D88 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.133 H 261.5°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#153D88
RGB	rgb(21, 61, 136)
HSL	hsl(219, 73%, 31%)
HSV	hsv(219, 85%, 53%)
CMYK	cmyk(84.6%, 55.1%, 0%, 46.7%)
CIE-LAB	lab(27.50, 16.13, -45.76)
CIE-LCH	lch(27.50, 48.52, 289.42°)
OKLab	oklab(38.05% -0.0197 -0.132)
OKLCH	oklch(38.05% 0.133 261.5)
XYZ	xyz(6.4203, 5.2737, 23.9673)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D88 #886015

analogous

#157688 #153D88 #261588

triadic

#153D88 #88153D #3D8815

tetradic

#153D88 #881576 #886015 #158826

square

#153D88 #881576 #886015 #158826

split-complementary

#153D88 #882615 #768815

monochromatic

#050D1E #0D2553 #153D88 #1D55BD #3772E0

Accessibility & contrast

On white

10.22

#153D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#153D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D88

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D88	#FFFFFF	#000000	##FFFFFF
##153D88	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468B

Deuteranopia (green-blind)

#003C87

Tritanopia (blue-blind)

#004F5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #153d88;
/* rgb */ color: rgb(21, 61, 136);
/* oklch */ color: oklch(38.1% 0.133 261.5);

Tailwind

colors: {
  custom: {
    50: '#6871ab',
    500: '#153d88',
    950: '#000000',
  },
}

SCSS

$custom: #153d88;
$custom-light: #6871ab;
$custom-dark: #000000;

JSON

{
  "hex": "#153d88",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 136
  },
  "hsl": {
    "h": 219.13,
    "s": 73.248,
    "l": 30.784
  },
  "oklch": {
    "l": 0.38053,
    "c": 0.13348,
    "h": 261.5
  },
  "luminance": 0.05274
}

Semantic roles & 50–950 ramp

primary

#153D88

secondary

#BC903D

accent

#B038F0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153D88

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

Preview Lab → · Contrast checker → · Palette generator →