#153D83#153D83

#153D83 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.6% C 0.126 H 260.7°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#153D83
RGB	rgb(21, 61, 131)
HSL	hsl(218, 72%, 30%)
HSV	hsv(218, 84%, 51%)
CMYK	cmyk(84%, 53.4%, 0%, 48.6%)
CIE-LAB	lab(27.12, 14.05, -43.27)
CIE-LCH	lch(27.12, 45.49, 287.99°)
OKLab	oklab(37.64% -0.0203 -0.1247)
OKLCH	oklch(37.64% 0.126 260.7)
XYZ	xyz(6.0732, 5.1349, 22.1394)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D83 #835B15

analogous

#157483 #153D83 #241583

triadic

#153D83 #83153D #3D8315

tetradic

#153D83 #831574 #835B15 #158324

square

#153D83 #831574 #835B15 #158324

split-complementary

#153D83 #832415 #748315

monochromatic

#040C1A #0D244E #153D83 #1D56B8 #3472DE

Accessibility & contrast

On white

10.36

#153D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#153D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D83

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D83	#FFFFFF	#000000	##FFFFFF
##153D83	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4586

Deuteranopia (green-blind)

#003B82

Tritanopia (blue-blind)

#004E5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153d83;
/* rgb */ color: rgb(21, 61, 131);
/* oklch */ color: oklch(37.6% 0.126 260.7);

Tailwind

colors: {
  custom: {
    50: '#6771a8',
    500: '#153d83',
    950: '#000000',
  },
}

SCSS

$custom: #153d83;
$custom-light: #6771a8;
$custom-dark: #000000;

JSON

{
  "hex": "#153d83",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 131
  },
  "hsl": {
    "h": 218.182,
    "s": 72.368,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37638,
    "c": 0.12634,
    "h": 260.7
  },
  "luminance": 0.05136
}

Semantic roles & 50–950 ramp

primary

#153D83

secondary

#B88B3C

accent

#AD39EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #153D83

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

Preview Lab → · Contrast checker → · Palette generator →