#153B83#153B83

#153B83 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.2% C 0.129 H 261.6°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#153B83
RGB	rgb(21, 59, 131)
HSL	hsl(219, 72%, 30%)
HSV	hsv(219, 84%, 51%)
CMYK	cmyk(84%, 55%, 0%, 48.6%)
CIE-LAB	lab(26.52, 15.46, -44.23)
CIE-LCH	lch(26.52, 46.86, 289.26°)
OKLab	oklab(37.19% -0.0188 -0.1276)
OKLCH	oklch(37.19% 0.129 261.6)
XYZ	xyz(5.9685, 4.9253, 22.1044)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B83 #835D15

analogous

#157283 #153B83 #261583

triadic

#153B83 #83153B #3B8315

tetradic

#153B83 #831572 #835D15 #158326

square

#153B83 #831572 #835D15 #158326

split-complementary

#153B83 #832615 #728315

monochromatic

#040C1A #0D234E #153B83 #1D53B8 #346FDE

Accessibility & contrast

On white

10.58

#153B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#153B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B83

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B83	#FFFFFF	#000000	##FFFFFF
##153B83	1.00	10.58	1.99	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024486

Deuteranopia (green-blind)

#003A82

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #153b83;
/* rgb */ color: rgb(21, 59, 131);
/* oklch */ color: oklch(37.2% 0.129 261.6);

Tailwind

colors: {
  custom: {
    50: '#6770a8',
    500: '#153b83',
    950: '#000000',
  },
}

SCSS

$custom: #153b83;
$custom-light: #6770a8;
$custom-dark: #000000;

JSON

{
  "hex": "#153b83",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 131
  },
  "hsl": {
    "h": 219.273,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37185,
    "c": 0.12895,
    "h": 261.6
  },
  "luminance": 0.04926
}

Semantic roles & 50–950 ramp

primary

#153B83

secondary

#B88D3C

accent

#B039EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153B83

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

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