#153A89#153A89

#153A89 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.5% C 0.139 H 262.7°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#153A89
RGB	rgb(21, 58, 137)
HSL	hsl(221, 73%, 31%)
HSV	hsv(221, 85%, 54%)
CMYK	cmyk(84.7%, 57.7%, 0%, 46.3%)
CIE-LAB	lab(26.71, 18.65, -47.66)
CIE-LCH	lch(26.71, 51.18, 291.37°)
OKLab	oklab(37.48% -0.0175 -0.1377)
OKLCH	oklch(37.48% 0.139 262.7)
XYZ	xyz(6.3361, 4.9909, 24.2915)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A89 #896415

analogous

#157489 #153A89 #2A1589

triadic

#153A89 #89153A #3A8915

tetradic

#153A89 #891574 #896415 #15892A

square

#153A89 #891574 #896415 #15892A

split-complementary

#153A89 #892A15 #748915

monochromatic

#050D1F #0D2454 #153A89 #1D50BE #386EE0

Accessibility & contrast

On white

10.51

#153A89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#153A89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A89

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A89	#FFFFFF	#000000	##FFFFFF
##153A89	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #153a89;
/* rgb */ color: rgb(21, 58, 137);
/* oklch */ color: oklch(37.5% 0.139 262.7);

Tailwind

colors: {
  custom: {
    50: '#686fac',
    500: '#153a89',
    950: '#000000',
  },
}

SCSS

$custom: #153a89;
$custom-light: #686fac;
$custom-dark: #000000;

JSON

{
  "hex": "#153a89",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 137
  },
  "hsl": {
    "h": 220.862,
    "s": 73.418,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37478,
    "c": 0.13878,
    "h": 262.7
  },
  "luminance": 0.04992
}

Semantic roles & 50–950 ramp

primary

#153A89

secondary

#BD943D

accent

#B538F0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153A89

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

Preview Lab → · Contrast checker → · Palette generator →