#153C90#153C90

#153C90 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.5% C 0.146 H 262.8°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#153C90
RGB	rgb(21, 60, 144)
HSL	hsl(221, 75%, 32%)
HSV	hsv(221, 85%, 56%)
CMYK	cmyk(85.4%, 58.3%, 0%, 43.5%)
CIE-LAB	lab(27.86, 20.12, -50.12)
CIE-LCH	lch(27.86, 54.01, 291.87°)
OKLab	oklab(38.52% -0.0184 -0.1449)
OKLCH	oklch(38.52% 0.146 262.8)
XYZ	xyz(6.9574, 5.4039, 27.0565)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C90 #906915

analogous

#157990 #153C90 #2C1590

triadic

#153C90 #90153C #3C9015

tetradic

#153C90 #901579 #906915 #15902C

square

#153C90 #901579 #906915 #15902C

split-complementary

#153C90 #902C15 #799015

monochromatic

#050F25 #0D265B #153C90 #1D52C5 #3D71E3

Accessibility & contrast

On white

10.09

#153C90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#153C90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C90

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C90	#FFFFFF	#000000	##FFFFFF
##153C90	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#005160

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #153c90;
/* rgb */ color: rgb(21, 60, 144);
/* oklch */ color: oklch(38.5% 0.146 262.8);

Tailwind

colors: {
  custom: {
    50: '#6a71b1',
    500: '#153c90',
    950: '#000000',
  },
}

SCSS

$custom: #153c90;
$custom-light: #6a71b1;
$custom-dark: #000000;

JSON

{
  "hex": "#153c90",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 144
  },
  "hsl": {
    "h": 220.976,
    "s": 74.545,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38524,
    "c": 0.14602,
    "h": 262.8
  },
  "luminance": 0.05405
}

Semantic roles & 50–950 ramp

primary

#153C90

secondary

#C2993E

accent

#B637F1

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #153C90

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

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