#153A6F#153A6F

#153A6F is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.4% C 0.101 H 258.0°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX#153A6F
RGBrgb(21, 58, 111)
HSLhsl(215, 68%, 26%)
HSVhsv(215, 81%, 44%)
CMYKcmyk(81.1%, 47.7%, 0%, 56.5%)
CIE-LABlab(24.74, 7.79, -34.46)
CIE-LCHlch(24.74, 35.33, 282.73°)
OKLaboklab(35.35% -0.0211 -0.0988)
OKLCHoklch(35.35% 0.101 258)
XYZxyz(4.6905, 4.3327, 15.6249)
Luminance0.0433 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#153A6F #6F4A15
analogous
#15676F #153A6F #1D156F
triadic
#153A6F #6F153A #3A6F15
tetradic
#153A6F #6F1567 #6F4A15 #156F1D
square
#153A6F #6F1567 #6F4A15 #156F1D
split-complementary
#153A6F #6F1D15 #676F15
monochromatic
#050D1A #0B1F3C #153A6F #1F55A2 #2870D6

Accessibility & contrast

On white

11.25
#153A6F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.87
#153A6F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A6F
11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##153A6F#FFFFFF#000000##FFFFFF
##153A6F1.0011.251.8711.25
#FFFFFF11.251.0021.001.00
#0000001.8721.001.0021.00
##FFFFFF11.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E3F71
Deuteranopia (green-blind)
#0A376E
Tritanopia (blue-blind)
#00474F
Achromatopsia (no color)
#3B3B3B

Design tokens & code

CSS
--color: #153a6f;
/* rgb */ color: rgb(21, 58, 111);
/* oklch */ color: oklch(35.4% 0.101 258.0);
Tailwind
colors: {
  custom: {
    50: '#626f99',
    500: '#153a6f',
    950: '#000000',
  },
}
SCSS
$custom: #153a6f;
$custom-light: #626f99;
$custom-dark: #000000;
JSON
{
  "hex": "#153a6f",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 111
  },
  "hsl": {
    "h": 215.333,
    "s": 68.182,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35353,
    "c": 0.10106,
    "h": 258
  },
  "luminance": 0.04333
}

Semantic roles & 50–950 ramp

primary
#153A6F
secondary
#A5793A
accent
#A33DEB
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E

Preview Lab

Preview with #153A6F

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

Preview Lab → · Contrast checker → · Palette generator →

#153A6F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva