#153F88#153F88

#153F88 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.5% C 0.131 H 260.7°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#153F88
RGB	rgb(21, 63, 136)
HSL	hsl(218, 73%, 31%)
HSV	hsv(218, 85%, 53%)
CMYK	cmyk(84.6%, 53.7%, 0%, 46.7%)
CIE-LAB	lab(28.09, 14.73, -44.80)
CIE-LCH	lch(28.09, 47.16, 288.20°)
OKLab	oklab(38.5% -0.0212 -0.1291)
OKLCH	oklch(38.5% 0.131 260.7)
XYZ	xyz(6.5291, 5.4912, 24.0036)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F88 #885E15

analogous

#157888 #153F88 #241588

triadic

#153F88 #88153F #3F8815

tetradic

#153F88 #881578 #885E15 #158824

square

#153F88 #881578 #885E15 #158824

split-complementary

#153F88 #882415 #788815

monochromatic

#050E1E #0D2653 #153F88 #1D58BD #3775E0

Accessibility & contrast

On white

10.01

#153F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#153F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F88

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F88	#FFFFFF	#000000	##FFFFFF
##153F88	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A488B

Deuteranopia (green-blind)

#003D87

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #153f88;
/* rgb */ color: rgb(21, 63, 136);
/* oklch */ color: oklch(38.5% 0.131 260.7);

Tailwind

colors: {
  custom: {
    50: '#6873ab',
    500: '#153f88',
    950: '#000000',
  },
}

SCSS

$custom: #153f88;
$custom-light: #6873ab;
$custom-dark: #000000;

JSON

{
  "hex": "#153f88",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 136
  },
  "hsl": {
    "h": 218.087,
    "s": 73.248,
    "l": 30.784
  },
  "oklch": {
    "l": 0.38502,
    "c": 0.13088,
    "h": 260.7
  },
  "luminance": 0.05492
}

Semantic roles & 50–950 ramp

primary

#153F88

secondary

#BC8E3D

accent

#AD38F0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #153F88

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

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