#153B82#153B82

#153B82 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.1% C 0.128 H 261.5°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#153B82
RGB	rgb(21, 59, 130)
HSL	hsl(219, 72%, 30%)
HSV	hsv(219, 84%, 51%)
CMYK	cmyk(83.8%, 54.6%, 0%, 49%)
CIE-LAB	lab(26.44, 15.04, -43.73)
CIE-LCH	lch(26.44, 46.25, 288.98°)
OKLab	oklab(37.1% -0.0189 -0.1261)
OKLCH	oklch(37.1% 0.128 261.5)
XYZ	xyz(5.9010, 4.8984, 21.7492)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B82 #825C15

analogous

#157182 #153B82 #261582

triadic

#153B82 #82153B #3B8215

tetradic

#153B82 #821571 #825C15 #158226

square

#153B82 #821571 #825C15 #158226

split-complementary

#153B82 #822615 #718215

monochromatic

#040C1A #0C234D #153B82 #1E53B7 #336FDE

Accessibility & contrast

On white

10.61

#153B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#153B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B82

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B82	#FFFFFF	#000000	##FFFFFF
##153B82	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#054485

Deuteranopia (green-blind)

#003A81

Tritanopia (blue-blind)

#004C58

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #153b82;
/* rgb */ color: rgb(21, 59, 130);
/* oklch */ color: oklch(37.1% 0.128 261.5);

Tailwind

colors: {
  custom: {
    50: '#6670a7',
    500: '#153b82',
    950: '#000000',
  },
}

SCSS

$custom: #153b82;
$custom-light: #6670a7;
$custom-dark: #000000;

JSON

{
  "hex": "#153b82",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 130
  },
  "hsl": {
    "h": 219.083,
    "s": 72.185,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37101,
    "c": 0.12751,
    "h": 261.5
  },
  "luminance": 0.04899
}

Semantic roles & 50–950 ramp

primary

#153B82

secondary

#B78C3C

accent

#AF39EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #153B82

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

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