#153B80#153B80

#153B80 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 36.9% C 0.125 H 261.1°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#153B80
RGB	rgb(21, 59, 128)
HSL	hsl(219, 72%, 29%)
HSV	hsv(219, 84%, 50%)
CMYK	cmyk(83.6%, 53.9%, 0%, 49.8%)
CIE-LAB	lab(26.29, 14.21, -42.73)
CIE-LCH	lch(26.29, 45.03, 288.39°)
OKLab	oklab(36.94% -0.0192 -0.1231)
OKLCH	oklch(36.94% 0.125 261.1)
XYZ	xyz(5.7681, 4.8452, 21.0491)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B80 #805A15

analogous

#157180 #153B80 #251580

triadic

#153B80 #80153B #3B8015

tetradic

#153B80 #801571 #805A15 #158025

square

#153B80 #801571 #805A15 #158025

split-complementary

#153B80 #802515 #718015

monochromatic

#040C1A #0C234B #153B80 #1E53B5 #326FDD

Accessibility & contrast

On white

10.66

#153B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#153B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B80

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B80	#FFFFFF	#000000	##FFFFFF
##153B80	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4382

Deuteranopia (green-blind)

#003A7F

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #153b80;
/* rgb */ color: rgb(21, 59, 128);
/* oklch */ color: oklch(36.9% 0.125 261.1);

Tailwind

colors: {
  custom: {
    50: '#6670a5',
    500: '#153b80',
    950: '#000000',
  },
}

SCSS

$custom: #153b80;
$custom-light: #6670a5;
$custom-dark: #000000;

JSON

{
  "hex": "#153b80",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 128
  },
  "hsl": {
    "h": 218.692,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36935,
    "c": 0.12463,
    "h": 261.1
  },
  "luminance": 0.04846
}

Semantic roles & 50–950 ramp

primary

#153B80

secondary

#B58A3C

accent

#AE39EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #153B80

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

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