#21858C#21858C

#21858C is a mid, moderate teal. Relative luminance 0.190; OKLCH L 56.5% C 0.088 H 202.1°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#21858C
RGBrgb(33, 133, 140)
HSLhsl(184, 62%, 34%)
HSVhsv(184, 76%, 55%)
CMYKcmyk(76.4%, 5%, 0%, 45.1%)
CIE-LABlab(50.68, -24.94, -11.84)
CIE-LCHlch(50.68, 27.61, 205.39°)
OKLaboklab(56.53% -0.0811 -0.0329)
OKLCHoklch(56.53% 0.088 202.1)
XYZxyz(13.7462, 18.9902, 27.7468)
Luminance0.1899 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21858C #8C2821
analogous
#218C5E #21858C #21508C
triadic
#21858C #8C2185 #858C21
tetradic
#21858C #5E218C #8C2821 #508C21
square
#21858C #5E218C #8C2821 #508C21
split-complementary
#21858C #8C2150 #8C5E21
monochromatic
#0A2729 #15565A #21858C #2DB4BE #51CDD6

Accessibility & contrast

On white

4.38
#21858C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.80
#21858C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21858C
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21858C#FFFFFF#000000##000000
##21858C1.004.384.804.80
#FFFFFF4.381.0021.0021.00
#0000004.8021.001.001.00
##0000004.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A7F8D
Deuteranopia (green-blind)
#6B748C
Tritanopia (blue-blind)
#008A87
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #21858c;
/* rgb */ color: rgb(33, 133, 140);
/* oklch */ color: oklch(56.5% 0.088 202.1);
Tailwind
colors: {
  custom: {
    50: '#6fa9ad',
    500: '#21858c',
    950: '#000000',
  },
}
SCSS
$custom: #21858c;
$custom-light: #6fa9ad;
$custom-dark: #000000;
JSON
{
  "hex": "#21858c",
  "rgb": {
    "r": 33,
    "g": 133,
    "b": 140
  },
  "hsl": {
    "h": 183.925,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.56528,
    "c": 0.08753,
    "h": 202.1
  },
  "luminance": 0.18992
}

Semantic roles & 50–950 ramp

primary
#21858C
secondary
#B9564F
accent
#4D43E5
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#091010
muted
#7B7F7F

Preview Lab

Preview with #21858C

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

Preview Lab → · Contrast checker → · Palette generator →

#21858C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva