#21569B#21569B

#21569B is a mid, vivid cyan. Relative luminance 0.093; OKLCH L 45.6% C 0.126 H 256.5°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX#21569B
RGBrgb(33, 86, 155)
HSLhsl(214, 65%, 37%)
HSVhsv(214, 79%, 61%)
CMYKcmyk(78.7%, 44.5%, 0%, 39.2%)
CIE-LABlab(36.64, 8.12, -42.61)
CIE-LCHlch(36.64, 43.38, 280.78°)
OKLaboklab(45.6% -0.0293 -0.1221)
OKLCHoklch(45.6% 0.126 256.5)
XYZxyz(9.8692, 9.3443, 32.2875)
Luminance0.0935 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21569B #9B6621
analogous
#21939B #21569B #29219B
triadic
#21569B #9B2156 #569B21
tetradic
#21569B #9B2193 #9B6621 #219B29
square
#21569B #9B2193 #9B6621 #219B29
split-complementary
#21569B #9B2921 #939B21
monochromatic
#0C1E36 #163A69 #21569B #2C72CD #5A93DC

Accessibility & contrast

On white

7.32
#21569B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.87
#21569B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21569B
7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21569B#FFFFFF#000000##FFFFFF
##21569B1.007.322.877.32
#FFFFFF7.321.0021.001.00
#0000002.8721.001.0021.00
##FFFFFF7.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#335C9E
Deuteranopia (green-blind)
#1B519A
Tritanopia (blue-blind)
#006671
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #21569b;
/* rgb */ color: rgb(33, 86, 155);
/* oklch */ color: oklch(45.6% 0.126 256.5);
Tailwind
colors: {
  custom: {
    50: '#6f85b9',
    500: '#21569b',
    950: '#000000',
  },
}
SCSS
$custom: #21569b;
$custom-light: #6f85b9;
$custom-dark: #000000;
JSON
{
  "hex": "#21569b",
  "rgb": {
    "r": 33,
    "g": 86,
    "b": 155
  },
  "hsl": {
    "h": 213.934,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.45599,
    "c": 0.12555,
    "h": 256.5
  },
  "luminance": 0.09345
}

Semantic roles & 50–950 ramp

primary
#21569B
secondary
#C09358
accent
#9F40E8
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#080B11
muted
#7B7C80

Preview Lab

Preview with #21569B

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

Preview Lab → · Contrast checker → · Palette generator →

#21569B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva