#21598C#21598C

#21598C is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.3% C 0.102 H 249.4°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX#21598C
RGBrgb(33, 89, 140)
HSLhsl(209, 62%, 34%)
HSVhsv(209, 76%, 55%)
CMYKcmyk(76.4%, 36.4%, 0%, 45.1%)
CIE-LABlab(36.67, 0.29, -33.50)
CIE-LCHlch(36.67, 33.50, 270.50°)
OKLaboklab(45.33% -0.0358 -0.0953)
OKLCHoklch(45.33% 0.102 249.4)
XYZxyz(8.9314, 9.3605, 26.1419)
Luminance0.0936 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21598C #8C5421
analogous
#218C8A #21598C #21248C
triadic
#21598C #8C2159 #598C21
tetradic
#21598C #8A218C #8C5421 #248C21
square
#21598C #8A218C #8C5421 #248C21
split-complementary
#21598C #8C2124 #8C8A21
monochromatic
#0A1A29 #153A5A #21598C #2D78BE #5197D6

Accessibility & contrast

On white

7.31
#21598C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.87
#21598C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21598C
7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21598C#FFFFFF#000000##FFFFFF
##21598C1.007.312.877.31
#FFFFFF7.311.0021.001.00
#0000002.8721.001.0021.00
##FFFFFF7.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#425C8E
Deuteranopia (green-blind)
#32528B
Tritanopia (blue-blind)
#00656C
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #21598c;
/* rgb */ color: rgb(33, 89, 140);
/* oklch */ color: oklch(45.3% 0.102 249.4);
Tailwind
colors: {
  custom: {
    50: '#6c87ae',
    500: '#21598c',
    950: '#000000',
  },
}
SCSS
$custom: #21598c;
$custom-light: #6c87ae;
$custom-dark: #000000;
JSON
{
  "hex": "#21598c",
  "rgb": {
    "r": 33,
    "g": 89,
    "b": 140
  },
  "hsl": {
    "h": 208.598,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.45334,
    "c": 0.10179,
    "h": 249.4
  },
  "luminance": 0.09362
}

Semantic roles & 50–950 ramp

primary
#21598C
secondary
#B9824F
accent
#9043E5
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #21598C

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

Preview Lab → · Contrast checker → · Palette generator →

#21598C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva