#152B3C#152B3C

#152B3C is a dark, muted cyan. Relative luminance 0.022; OKLCH L 28.0% C 0.042 H 243.4°. Best body text is #FFFFFF at 14.56:1 contrast (WCAG AA passes).

Color values

HEX#152B3C
RGBrgb(21, 43, 60)
HSLhsl(206, 48%, 16%)
HSVhsv(206, 65%, 24%)
CMYKcmyk(65%, 28.3%, 0%, 76.5%)
CIE-LABlab(16.57, -2.61, -13.49)
CIE-LCHlch(16.57, 13.74, 259.05°)
OKLaboklab(27.95% -0.0189 -0.0378)
OKLCHoklch(27.95% 0.042 243.4)
XYZxyz(1.9885, 2.2133, 4.5965)
Luminance0.0221 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#152B3C #3C2615
analogous
#153C39 #152B3C #15173C
triadic
#152B3C #3C152B #2B3C15
tetradic
#152B3C #39153C #3C2615 #173C15
square
#152B3C #39153C #3C2615 #173C15
split-complementary
#152B3C #3C1517 #3C3915
monochromatic
#081017 #081017 #152B3C #254B69 #356C97

Accessibility & contrast

On white

14.56
#152B3C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.44
#152B3C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152B3C
14.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##152B3C#FFFFFF#000000##FFFFFF
##152B3C1.0014.561.4414.56
#FFFFFF14.561.0021.001.00
#0000001.4421.001.0021.00
##FFFFFF14.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#242B3D
Deuteranopia (green-blind)
#1E273C
Tritanopia (blue-blind)
#002F31
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #152b3c;
/* rgb */ color: rgb(21, 43, 60);
/* oklch */ color: oklch(28.0% 0.042 243.4);
Tailwind
colors: {
  custom: {
    50: '#566471',
    500: '#152b3c',
    950: '#000000',
  },
}
SCSS
$custom: #152b3c;
$custom-light: #566471;
$custom-dark: #000000;
JSON
{
  "hex": "#152b3c",
  "rgb": {
    "r": 21,
    "g": 43,
    "b": 60
  },
  "hsl": {
    "h": 206.154,
    "s": 48.148,
    "l": 15.882
  },
  "oklch": {
    "l": 0.27951,
    "c": 0.04224,
    "h": 243.4
  },
  "luminance": 0.02213
}

Semantic roles & 50–950 ramp

primary
#152B3C
secondary
#745339
accent
#8B50D8
background
#F5F5F6
surface
#E9EAEC
border
#C5C6C7
text
#030507
muted
#78797A

Preview Lab

Preview with #152B3C

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

Preview Lab → · Contrast checker → · Palette generator →

#152B3C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva