#153B82#153B82

#153B82 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.1% C 0.128 H 261.5°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX#153B82
RGBrgb(21, 59, 130)
HSLhsl(219, 72%, 30%)
HSVhsv(219, 84%, 51%)
CMYKcmyk(83.8%, 54.6%, 0%, 49%)
CIE-LABlab(26.44, 15.04, -43.73)
CIE-LCHlch(26.44, 46.25, 288.98°)
OKLaboklab(37.1% -0.0189 -0.1261)
OKLCHoklch(37.1% 0.128 261.5)
XYZxyz(5.9010, 4.8984, 21.7492)
Luminance0.0490 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153B82 #825C15
analogous
#157182 #153B82 #261582
triadic
#153B82 #82153B #3B8215
tetradic
#153B82 #821571 #825C15 #158226
square
#153B82 #821571 #825C15 #158226
split-complementary
#153B82 #822615 #718215
monochromatic
#040C1A #0C234D #153B82 #1E53B7 #336FDE

Accessibility & contrast

On white

10.61
#153B82 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.98
#153B82 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B82
10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153B82#FFFFFF#000000##FFFFFF
##153B821.0010.611.9810.61
#FFFFFF10.611.0021.001.00
#0000001.9821.001.0021.00
##FFFFFF10.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#054485
Deuteranopia (green-blind)
#003A81
Tritanopia (blue-blind)
#004C58
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #153b82;
/* rgb */ color: rgb(21, 59, 130);
/* oklch */ color: oklch(37.1% 0.128 261.5);
Tailwind
colors: {
  custom: {
    50: '#6670a7',
    500: '#153b82',
    950: '#000000',
  },
}
SCSS
$custom: #153b82;
$custom-light: #6670a7;
$custom-dark: #000000;
JSON
{
  "hex": "#153b82",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 130
  },
  "hsl": {
    "h": 219.083,
    "s": 72.185,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37101,
    "c": 0.12751,
    "h": 261.5
  },
  "luminance": 0.04899
}

Semantic roles & 50–950 ramp

primary
#153B82
secondary
#B78C3C
accent
#AF39EF
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#07070F
muted
#7A7A7F

Preview Lab

Preview with #153B82

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

Preview Lab → · Contrast checker → · Palette generator →

#153B82 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva