#153F84#153F84

#153F84 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.2% C 0.125 H 260.0°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#153F84
RGB	rgb(21, 63, 132)
HSL	hsl(217, 73%, 30%)
HSV	hsv(217, 84%, 52%)
CMYK	cmyk(84.1%, 52.3%, 0%, 48.2%)
CIE-LAB	lab(27.79, 13.06, -42.80)
CIE-LCH	lch(27.79, 44.75, 286.97°)
OKLab	oklab(38.18% -0.0217 -0.1233)
OKLCH	oklch(38.18% 0.125 260)
XYZ	xyz(6.2501, 5.3796, 22.5343)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F84 #845A15

analogous

#157784 #153F84 #221584

triadic

#153F84 #84153F #3F8415

tetradic

#153F84 #841577 #845A15 #158422

square

#153F84 #841577 #845A15 #158422

split-complementary

#153F84 #842215 #778415

monochromatic

#040D1A #0D264F #153F84 #1D58B9 #3575DF

Accessibility & contrast

On white

10.12

#153F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#153F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F84

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F84	#FFFFFF	#000000	##FFFFFF
##153F84	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124786

Deuteranopia (green-blind)

#003D83

Tritanopia (blue-blind)

#00505B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #153f84;
/* rgb */ color: rgb(21, 63, 132);
/* oklch */ color: oklch(38.2% 0.125 260.0);

Tailwind

colors: {
  custom: {
    50: '#6773a8',
    500: '#153f84',
    950: '#000000',
  },
}

SCSS

$custom: #153f84;
$custom-light: #6773a8;
$custom-dark: #000000;

JSON

{
  "hex": "#153f84",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 132
  },
  "hsl": {
    "h": 217.297,
    "s": 72.549,
    "l": 30
  },
  "oklch": {
    "l": 0.38177,
    "c": 0.12517,
    "h": 260
  },
  "luminance": 0.0538
}

Semantic roles & 50–950 ramp

primary

#153F84

secondary

#B98A3C

accent

#AA39EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #153F84

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

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