#153A84#153A84

#153A84 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.0% C 0.132 H 262.1°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#153A84
RGB	rgb(21, 58, 132)
HSL	hsl(220, 73%, 30%)
HSV	hsv(220, 84%, 52%)
CMYK	cmyk(84.1%, 56.1%, 0%, 48.2%)
CIE-LAB	lab(26.31, 16.58, -45.21)
CIE-LCH	lch(26.31, 48.15, 290.14°)
OKLab	oklab(37.05% -0.018 -0.1304)
OKLCH	oklch(37.05% 0.132 262.1)
XYZ	xyz(5.9857, 4.8508, 22.4461)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A84 #845F15

analogous

#157184 #153A84 #281584

triadic

#153A84 #84153A #3A8415

tetradic

#153A84 #841571 #845F15 #158428

square

#153A84 #841571 #845F15 #158428

split-complementary

#153A84 #842815 #718415

monochromatic

#040C1A #0D234F #153A84 #1D51B9 #356DDF

Accessibility & contrast

On white

10.66

#153A84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#153A84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A84

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A84	#FFFFFF	#000000	##FFFFFF
##153A84	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)

#004487

Deuteranopia (green-blind)

#003983

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #153a84;
/* rgb */ color: rgb(21, 58, 132);
/* oklch */ color: oklch(37.0% 0.132 262.1);

Tailwind

colors: {
  custom: {
    50: '#676fa8',
    500: '#153a84',
    950: '#000000',
  },
}

SCSS

$custom: #153a84;
$custom-light: #676fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#153a84",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 132
  },
  "hsl": {
    "h": 220,
    "s": 72.549,
    "l": 30
  },
  "oklch": {
    "l": 0.37046,
    "c": 0.13168,
    "h": 262.1
  },
  "luminance": 0.04851
}

Semantic roles & 50–950 ramp

primary

#153A84

secondary

#B98F3C

accent

#B239EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153A84

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

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