#153D82#153D82

#153D82 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.6% C 0.125 H 260.6°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#153D82
RGB	rgb(21, 61, 130)
HSL	hsl(218, 72%, 30%)
HSV	hsv(218, 84%, 51%)
CMYK	cmyk(83.8%, 53.1%, 0%, 49%)
CIE-LAB	lab(27.04, 13.63, -42.77)
CIE-LCH	lch(27.04, 44.89, 287.68°)
OKLab	oklab(37.56% -0.0205 -0.1232)
OKLCH	oklch(37.56% 0.125 260.6)
XYZ	xyz(6.0058, 5.1079, 21.7842)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D82 #825A15

analogous

#157382 #153D82 #241582

triadic

#153D82 #82153D #3D8215

tetradic

#153D82 #821573 #825A15 #158224

square

#153D82 #821573 #825A15 #158224

split-complementary

#153D82 #822415 #738215

monochromatic

#040C1A #0C244D #153D82 #1E56B7 #3372DE

Accessibility & contrast

On white

10.39

#153D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#153D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D82

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D82	#FFFFFF	#000000	##FFFFFF
##153D82	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4584

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #153d82;
/* rgb */ color: rgb(21, 61, 130);
/* oklch */ color: oklch(37.6% 0.125 260.6);

Tailwind

colors: {
  custom: {
    50: '#6671a7',
    500: '#153d82',
    950: '#000000',
  },
}

SCSS

$custom: #153d82;
$custom-light: #6671a7;
$custom-dark: #000000;

JSON

{
  "hex": "#153d82",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 130
  },
  "hsl": {
    "h": 217.982,
    "s": 72.185,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37556,
    "c": 0.1249,
    "h": 260.6
  },
  "luminance": 0.05109
}

Semantic roles & 50–950 ramp

primary

#153D82

secondary

#B78A3C

accent

#AC39EF

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #153D82

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

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