#21376A#21376A

#21376A is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.093 H 264.5°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX#21376A
RGBrgb(33, 55, 106)
HSLhsl(222, 53%, 27%)
HSVhsv(222, 69%, 42%)
CMYKcmyk(68.9%, 48.1%, 0%, 58.4%)
CIE-LABlab(23.99, 9.78, -32.44)
CIE-LCHlch(23.99, 33.88, 286.78°)
OKLaboklab(34.81% -0.0089 -0.0927)
OKLCHoklch(34.81% 0.093 264.5)
XYZxyz(4.5940, 4.0959, 14.1814)
Luminance0.0410 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21376A #6A5421
analogous
#215C6A #21376A #30216A
triadic
#21376A #6A2137 #376A21
tetradic
#21376A #6A215C #6A5421 #216A30
square
#21376A #6A215C #6A5421 #216A30
split-complementary
#21376A #6A3021 #5C6A21
monochromatic
#070C17 #121F3B #21376A #304F99 #4169C4

Accessibility & contrast

On white

11.54
#21376A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.82
#21376A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21376A
11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21376A#FFFFFF#000000##FFFFFF
##21376A1.0011.541.8211.54
#FFFFFF11.541.0021.001.00
#0000001.8221.001.0021.00
##FFFFFF11.541.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E3D6C
Deuteranopia (green-blind)
#113669
Tritanopia (blue-blind)
#00434B
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #21376a;
/* rgb */ color: rgb(33, 55, 106);
/* oklch */ color: oklch(34.8% 0.093 264.5);
Tailwind
colors: {
  custom: {
    50: '#656d95',
    500: '#21376a',
    950: '#000000',
  },
}
SCSS
$custom: #21376a;
$custom-light: #656d95;
$custom-dark: #000000;
JSON
{
  "hex": "#21376a",
  "rgb": {
    "r": 33,
    "g": 55,
    "b": 106
  },
  "hsl": {
    "h": 221.918,
    "s": 52.518,
    "l": 27.255
  },
  "oklch": {
    "l": 0.34806,
    "c": 0.09316,
    "h": 264.5
  },
  "luminance": 0.04096
}

Semantic roles & 50–950 ramp

primary
#21376A
secondary
#9E8449
accent
#B14CDC
background
#F6F6F9
surface
#EBEBF1
border
#C6C6CB
text
#06070D
muted
#7A7A7E

Preview Lab

Preview with #21376A

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

Preview Lab → · Contrast checker → · Palette generator →

#21376A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva