#152B3B#152B3B

#152B3B is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.9% C 0.041 H 241.8°. Best body text is #FFFFFF at 14.58:1 contrast (WCAG AA passes).

Color values

HEX#152B3B
RGBrgb(21, 43, 59)
HSLhsl(205, 48%, 16%)
HSVhsv(205, 64%, 23%)
CMYKcmyk(64.4%, 27.1%, 0%, 76.9%)
CIE-LABlab(16.52, -3.00, -12.87)
CIE-LCHlch(16.52, 13.21, 256.90°)
OKLaboklab(27.89% -0.0193 -0.036)
OKLCHoklch(27.89% 0.041 241.8)
XYZxyz(1.9623, 2.2028, 4.4586)
Luminance0.0220 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#152B3B #3B2515
analogous
#153B38 #152B3B #15183B
triadic
#152B3B #3B152B #2B3B15
tetradic
#152B3B #38153B #3B2515 #183B15
square
#152B3B #38153B #3B2515 #183B15
split-complementary
#152B3B #3B1518 #3B3815
monochromatic
#081017 #081017 #152B3B #254C68 #356D95

Accessibility & contrast

On white

14.58
#152B3B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.44
#152B3B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152B3B
14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##152B3B#FFFFFF#000000##FFFFFF
##152B3B1.0014.581.4414.58
#FFFFFF14.581.0021.001.00
#0000001.4421.001.0021.00
##FFFFFF14.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#242B3C
Deuteranopia (green-blind)
#1F273B
Tritanopia (blue-blind)
#002F30
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #152b3b;
/* rgb */ color: rgb(21, 43, 59);
/* oklch */ color: oklch(27.9% 0.041 241.8);
Tailwind
colors: {
  custom: {
    50: '#566471',
    500: '#152b3b',
    950: '#000000',
  },
}
SCSS
$custom: #152b3b;
$custom-light: #566471;
$custom-dark: #000000;
JSON
{
  "hex": "#152b3b",
  "rgb": {
    "r": 21,
    "g": 43,
    "b": 59
  },
  "hsl": {
    "h": 205.263,
    "s": 47.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.27893,
    "c": 0.04086,
    "h": 241.8
  },
  "luminance": 0.02203
}

Semantic roles & 50–950 ramp

primary
#152B3B
secondary
#725139
accent
#8951D7
background
#F5F5F6
surface
#E9EAEC
border
#C5C6C7
text
#030507
muted
#78797A

Preview Lab

Preview with #152B3B

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

Preview Lab → · Contrast checker → · Palette generator →

#152B3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva