#21516A#21516A

#21516A is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.4% C 0.066 H 234.3°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX#21516A
RGBrgb(33, 81, 106)
HSLhsl(201, 53%, 27%)
HSVhsv(201, 69%, 42%)
CMYKcmyk(68.9%, 23.6%, 0%, 58.4%)
CIE-LABlab(32.37, -7.52, -19.23)
CIE-LCHlch(32.37, 20.65, 248.63°)
OKLaboklab(41.37% -0.0387 -0.0539)
OKLCHoklch(41.37% 0.066 234.3)
XYZxyz(6.1701, 7.2482, 14.7067)
Luminance0.0725 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21516A #6A3A21
analogous
#216A5F #21516A #212D6A
triadic
#21516A #6A2151 #516A21
tetradic
#21516A #5F216A #6A3A21 #2D6A21
square
#21516A #5F216A #6A3A21 #2D6A21
split-complementary
#21516A #6A212D #6A5F21
monochromatic
#071217 #122D3B #21516A #307599 #4197C4

Accessibility & contrast

On white

8.57
#21516A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.45
#21516A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21516A
8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21516A#FFFFFF#000000##FFFFFF
##21516A1.008.572.458.57
#FFFFFF8.571.0021.001.00
#0000002.4521.001.0021.00
##FFFFFF8.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#45506B
Deuteranopia (green-blind)
#3B496A
Tritanopia (blue-blind)
#005859
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #21516a;
/* rgb */ color: rgb(33, 81, 106);
/* oklch */ color: oklch(41.4% 0.066 234.3);
Tailwind
colors: {
  custom: {
    50: '#658194',
    500: '#21516a',
    950: '#000000',
  },
}
SCSS
$custom: #21516a;
$custom-light: #658194;
$custom-dark: #000000;
JSON
{
  "hex": "#21516a",
  "rgb": {
    "r": 33,
    "g": 81,
    "b": 106
  },
  "hsl": {
    "h": 200.548,
    "s": 52.518,
    "l": 27.255
  },
  "oklch": {
    "l": 0.41365,
    "c": 0.06636,
    "h": 234.3
  },
  "luminance": 0.07249
}

Semantic roles & 50–950 ramp

primary
#21516A
secondary
#9E6649
accent
#7D4CDC
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#060A0D
muted
#7A7C7E

Preview Lab

Preview with #21516A

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

Preview Lab → · Contrast checker → · Palette generator →

#21516A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva