#21495B#21495B

#21495B is a dark, muted cyan. Relative luminance 0.058; OKLCH L 38.5% C 0.054 H 229.8°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX#21495B
RGBrgb(33, 73, 91)
HSLhsl(199, 47%, 24%)
HSVhsv(199, 64%, 36%)
CMYKcmyk(63.7%, 19.8%, 0%, 64.3%)
CIE-LABlab(29.01, -7.97, -14.87)
CIE-LCHlch(29.01, 16.87, 241.82°)
OKLaboklab(38.47% -0.0351 -0.0415)
OKLCHoklch(38.47% 0.054 229.8)
XYZxyz(4.8973, 5.8433, 10.7653)
Luminance0.0584 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21495B #5B3321
analogous
#215B50 #21495B #212C5B
triadic
#21495B #5B2149 #495B21
tetradic
#21495B #50215B #5B3321 #2C5B21
square
#21495B #50215B #5B3321 #2C5B21
split-complementary
#21495B #5B212C #5B5021
monochromatic
#081216 #11252E #21495B #316D88 #4291B5

Accessibility & contrast

On white

9.68
#21495B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.17
#21495B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21495B
9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21495B#FFFFFF#000000##FFFFFF
##21495B1.009.682.179.68
#FFFFFF9.681.0021.001.00
#0000002.1721.001.0021.00
##FFFFFF9.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#40485C
Deuteranopia (green-blind)
#38425B
Tritanopia (blue-blind)
#004E4F
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #21495b;
/* rgb */ color: rgb(33, 73, 91);
/* oklch */ color: oklch(38.5% 0.054 229.8);
Tailwind
colors: {
  custom: {
    50: '#637b89',
    500: '#21495b',
    950: '#000000',
  },
}
SCSS
$custom: #21495b;
$custom-light: #637b89;
$custom-dark: #000000;
JSON
{
  "hex": "#21495b",
  "rgb": {
    "r": 33,
    "g": 73,
    "b": 91
  },
  "hsl": {
    "h": 198.621,
    "s": 46.774,
    "l": 24.314
  },
  "oklch": {
    "l": 0.38472,
    "c": 0.05432,
    "h": 229.8
  },
  "luminance": 0.05844
}

Semantic roles & 50–950 ramp

primary
#21495B
secondary
#8F5F49
accent
#7B51D6
background
#F6F7F8
surface
#EBEEF0
border
#C6C9CB
text
#05090B
muted
#7A7B7C

Preview Lab

Preview with #21495B

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

Preview Lab → · Contrast checker → · Palette generator →

#21495B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva