#21658C#21658C

#21658C is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.3% C 0.091 H 238.4°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX#21658C
RGBrgb(33, 101, 140)
HSLhsl(202, 62%, 34%)
HSVhsv(202, 76%, 55%)
CMYKcmyk(76.4%, 27.9%, 0%, 45.1%)
CIE-LABlab(40.45, -7.17, -27.55)
CIE-LCHlch(40.45, 28.47, 255.42°)
OKLaboklab(48.32% -0.0479 -0.0778)
OKLCHoklch(48.32% 0.091 238.4)
XYZxyz(10.0126, 11.5230, 26.5023)
Luminance0.1152 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21658C #8C4821
analogous
#218C7E #21658C #21308C
triadic
#21658C #8C2165 #658C21
tetradic
#21658C #7E218C #8C4821 #308C21
square
#21658C #7E218C #8C4821 #308C21
split-complementary
#21658C #8C2130 #8C7E21
monochromatic
#0A1E29 #15415A #21658C #2D89BE #51A6D6

Accessibility & contrast

On white

6.35
#21658C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.30
#21658C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21658C
6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21658C#FFFFFF#000000##FFFFFF
##21658C1.006.353.306.35
#FFFFFF6.351.0021.001.00
#0000003.3021.001.0021.00
##FFFFFF6.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#53658E
Deuteranopia (green-blind)
#445B8B
Tritanopia (blue-blind)
#006F72
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #21658c;
/* rgb */ color: rgb(33, 101, 140);
/* oklch */ color: oklch(48.3% 0.091 238.4);
Tailwind
colors: {
  custom: {
    50: '#6c90ad',
    500: '#21658c',
    950: '#000000',
  },
}
SCSS
$custom: #21658c;
$custom-light: #6c90ad;
$custom-dark: #000000;
JSON
{
  "hex": "#21658c",
  "rgb": {
    "r": 33,
    "g": 101,
    "b": 140
  },
  "hsl": {
    "h": 201.869,
    "s": 61.85,
    "l": 33.922
  },
  "oklch": {
    "l": 0.48318,
    "c": 0.09135,
    "h": 238.4
  },
  "luminance": 0.11524
}

Semantic roles & 50–950 ramp

primary
#21658C
secondary
#B9764F
accent
#7E43E5
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#080C10
muted
#7B7D7F

Preview Lab

Preview with #21658C

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

Preview Lab → · Contrast checker → · Palette generator →

#21658C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva