#21506A#21506A

#21506A is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.1% C 0.067 H 235.9°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX#21506A
RGBrgb(33, 80, 106)
HSLhsl(201, 53%, 27%)
HSVhsv(201, 69%, 42%)
CMYKcmyk(68.9%, 24.5%, 0%, 58.4%)
CIE-LABlab(32.03, -6.90, -19.74)
CIE-LCHlch(32.03, 20.91, 250.73°)
OKLaboklab(41.1% -0.0375 -0.0554)
OKLCHoklch(41.1% 0.067 235.9)
XYZxyz(6.0964, 7.1006, 14.6821)
Luminance0.0710 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21506A #6A3B21
analogous
#216A60 #21506A #212B6A
triadic
#21506A #6A2150 #506A21
tetradic
#21506A #60216A #6A3B21 #2B6A21
square
#21506A #60216A #6A3B21 #2B6A21
split-complementary
#21506A #6A212B #6A6021
monochromatic
#071217 #122D3B #21506A #307399 #4195C4

Accessibility & contrast

On white

8.68
#21506A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.42
#21506A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21506A
8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21506A#FFFFFF#000000##FFFFFF
##21506A1.008.682.428.68
#FFFFFF8.681.0021.001.00
#0000002.4221.001.0021.00
##FFFFFF8.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#444F6B
Deuteranopia (green-blind)
#3A486A
Tritanopia (blue-blind)
#005759
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #21506a;
/* rgb */ color: rgb(33, 80, 106);
/* oklch */ color: oklch(41.1% 0.067 235.9);
Tailwind
colors: {
  custom: {
    50: '#658194',
    500: '#21506a',
    950: '#000000',
  },
}
SCSS
$custom: #21506a;
$custom-light: #658194;
$custom-dark: #000000;
JSON
{
  "hex": "#21506a",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 106
  },
  "hsl": {
    "h": 201.37,
    "s": 52.518,
    "l": 27.255
  },
  "oklch": {
    "l": 0.41102,
    "c": 0.06691,
    "h": 235.9
  },
  "luminance": 0.07101
}

Semantic roles & 50–950 ramp

primary
#21506A
secondary
#9E6749
accent
#7F4CDC
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #21506A

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

Preview Lab → · Contrast checker → · Palette generator →

#21506A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva