#153D89#153D89

#153D89 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.1% C 0.135 H 261.6°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#153D89
RGB	rgb(21, 61, 137)
HSL	hsl(219, 73%, 31%)
HSV	hsv(219, 85%, 54%)
CMYK	cmyk(84.7%, 55.5%, 0%, 46.3%)
CIE-LAB	lab(27.58, 16.54, -46.25)
CIE-LCH	lch(27.58, 49.12, 289.68°)
OKLab	oklab(38.14% -0.0196 -0.1335)
OKLCH	oklch(38.14% 0.135 261.6)
XYZ	xyz(6.4917, 5.3023, 24.3434)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D89 #896115

analogous

#157789 #153D89 #271589

triadic

#153D89 #89153D #3D8915

tetradic

#153D89 #891577 #896115 #158927

square

#153D89 #891577 #896115 #158927

split-complementary

#153D89 #892715 #778915

monochromatic

#050E1F #0D2554 #153D89 #1D55BE #3872E0

Accessibility & contrast

On white

10.19

#153D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#153D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D89

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D89	#FFFFFF	#000000	##FFFFFF
##153D89	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478C

Deuteranopia (green-blind)

#003C88

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #153d89;
/* rgb */ color: rgb(21, 61, 137);
/* oklch */ color: oklch(38.1% 0.135 261.6);

Tailwind

colors: {
  custom: {
    50: '#6871ac',
    500: '#153d89',
    950: '#000000',
  },
}

SCSS

$custom: #153d89;
$custom-light: #6871ac;
$custom-dark: #000000;

JSON

{
  "hex": "#153d89",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 137
  },
  "hsl": {
    "h": 219.31,
    "s": 73.418,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38137,
    "c": 0.1349,
    "h": 261.6
  },
  "luminance": 0.05303
}

Semantic roles & 50–950 ramp

primary

#153D89

secondary

#BD913D

accent

#B138F0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153D89

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

Preview Lab → · Contrast checker → · Palette generator →