#21597A#21597A

#21597A is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.3% C 0.079 H 238.3°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX#21597A
RGBrgb(33, 89, 122)
HSLhsl(202, 57%, 30%)
HSVhsv(202, 73%, 48%)
CMYKcmyk(73%, 27%, 0%, 52.2%)
CIE-LABlab(35.74, -6.55, -23.94)
CIE-LCHlch(35.74, 24.82, 254.69°)
OKLaboklab(44.29% -0.0417 -0.0675)
OKLCHoklch(44.29% 0.079 238.3)
XYZxyz(7.7111, 8.8724, 19.7147)
Luminance0.0887 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21597A #7A4221
analogous
#217A6E #21597A #212D7A
triadic
#21597A #7A2159 #597A21
tetradic
#21597A #6E217A #7A4221 #2D7A21
square
#21597A #6E217A #7A4221 #2D7A21
split-complementary
#21597A #7A212D #7A6E21
monochromatic
#07131A #14364A #21597A #2E7CAA #489CCD

Accessibility & contrast

On white

7.57
#21597A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.77
#21597A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21597A
7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21597A#FFFFFF#000000##FFFFFF
##21597A1.007.572.777.57
#FFFFFF7.571.0021.001.00
#0000002.7721.001.0021.00
##FFFFFF7.571.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A597C
Deuteranopia (green-blind)
#3D5079
Tritanopia (blue-blind)
#006164
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #21597a;
/* rgb */ color: rgb(33, 89, 122);
/* oklch */ color: oklch(44.3% 0.079 238.3);
Tailwind
colors: {
  custom: {
    50: '#6887a0',
    500: '#21597a',
    950: '#000000',
  },
}
SCSS
$custom: #21597a;
$custom-light: #6887a0;
$custom-dark: #000000;
JSON
{
  "hex": "#21597a",
  "rgb": {
    "r": 33,
    "g": 89,
    "b": 122
  },
  "hsl": {
    "h": 202.247,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.44293,
    "c": 0.0793,
    "h": 238.3
  },
  "luminance": 0.08873
}

Semantic roles & 50–950 ramp

primary
#21597A
secondary
#AD6F4A
accent
#8047E1
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070B0E
muted
#7A7C7E

Preview Lab

Preview with #21597A

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

Preview Lab → · Contrast checker → · Palette generator →

#21597A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva