#153C83#153C83

#153C83 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.4% C 0.128 H 261.2°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#153C83
RGB	rgb(21, 60, 131)
HSL	hsl(219, 72%, 30%)
HSV	hsv(219, 84%, 51%)
CMYK	cmyk(84%, 54.2%, 0%, 48.6%)
CIE-LAB	lab(26.82, 14.75, -43.75)
CIE-LCH	lch(26.82, 46.17, 288.63°)
OKLab	oklab(37.41% -0.0196 -0.1261)
OKLCH	oklch(37.41% 0.128 261.2)
XYZ	xyz(6.0204, 5.0291, 22.1217)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C83 #835C15

analogous

#157383 #153C83 #251583

triadic

#153C83 #83153C #3C8315

tetradic

#153C83 #831573 #835C15 #158325

square

#153C83 #831573 #835C15 #158325

split-complementary

#153C83 #832515 #738315

monochromatic

#040C1A #0D244E #153C83 #1D54B8 #3470DE

Accessibility & contrast

On white

10.47

#153C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#153C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C83

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C83	#FFFFFF	#000000	##FFFFFF
##153C83	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074586

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004D59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #153c83;
/* rgb */ color: rgb(21, 60, 131);
/* oklch */ color: oklch(37.4% 0.128 261.2);

Tailwind

colors: {
  custom: {
    50: '#6771a8',
    500: '#153c83',
    950: '#000000',
  },
}

SCSS

$custom: #153c83;
$custom-light: #6771a8;
$custom-dark: #000000;

JSON

{
  "hex": "#153c83",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 131
  },
  "hsl": {
    "h": 218.727,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37411,
    "c": 0.12764,
    "h": 261.2
  },
  "luminance": 0.0503
}

Semantic roles & 50–950 ramp

primary

#153C83

secondary

#B88C3C

accent

#AE39EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153C83

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

Preview Lab → · Contrast checker → · Palette generator →