#153E8A#153E8A

#153E8A is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.135 H 261.4°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#153E8A
RGB	rgb(21, 62, 138)
HSL	hsl(219, 74%, 31%)
HSV	hsv(219, 85%, 54%)
CMYK	cmyk(84.8%, 55.1%, 0%, 45.9%)
CIE-LAB	lab(27.95, 16.26, -46.27)
CIE-LCH	lch(27.95, 49.04, 289.36°)
OKLab	oklab(38.44% -0.0202 -0.1335)
OKLCH	oklch(38.44% 0.135 261.4)
XYZ	xyz(6.6177, 5.4388, 24.7408)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153E8A #8A6115

analogous

#15788A #153E8A #26158A

triadic

#153E8A #8A153E #3E8A15

tetradic

#153E8A #8A1578 #8A6115 #158A26

square

#153E8A #8A1578 #8A6115 #158A26

split-complementary

#153E8A #8A2615 #788A15

monochromatic

#050E20 #0D2655 #153E8A #1D56BF #3974E1

Accessibility & contrast

On white

10.06

#153E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#153E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153E8A

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153E8A	#FFFFFF	#000000	##FFFFFF
##153E8A	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00488D

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#00515D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #153e8a;
/* rgb */ color: rgb(21, 62, 138);
/* oklch */ color: oklch(38.4% 0.135 261.4);

Tailwind

colors: {
  custom: {
    50: '#6872ad',
    500: '#153e8a',
    950: '#000000',
  },
}

SCSS

$custom: #153e8a;
$custom-light: #6872ad;
$custom-dark: #000000;

JSON

{
  "hex": "#153e8a",
  "rgb": {
    "r": 21,
    "g": 62,
    "b": 138
  },
  "hsl": {
    "h": 218.974,
    "s": 73.585,
    "l": 31.176
  },
  "oklch": {
    "l": 0.38444,
    "c": 0.13501,
    "h": 261.4
  },
  "luminance": 0.0544
}

Semantic roles & 50–950 ramp

primary

#153E8A

secondary

#BE913D

accent

#B038F0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #153E8A

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

Preview Lab → · Contrast checker → · Palette generator →