#21598B#21598B

#21598B is a mid, moderate cyan. Relative luminance 0.093; OKLCH L 45.3% C 0.100 H 248.9°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX#21598B
RGBrgb(33, 89, 139)
HSLhsl(208, 62%, 34%)
HSVhsv(208, 76%, 55%)
CMYKcmyk(76.3%, 36%, 0%, 45.5%)
CIE-LABlab(36.61, -0.09, -32.98)
CIE-LCHlch(36.61, 32.98, 269.84°)
OKLaboklab(45.27% -0.0361 -0.0937)
OKLCHoklch(45.27% 0.1 248.9)
XYZxyz(8.8580, 9.3312, 25.7553)
Luminance0.0933 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21598B #8B5321
analogous
#218B88 #21598B #21248B
triadic
#21598B #8B2159 #598B21
tetradic
#21598B #88218B #8B5321 #248B21
square
#21598B #88218B #8B5321 #248B21
split-complementary
#21598B #8B2124 #8B8821
monochromatic
#0A1A28 #15395A #21598B #2D79BC #5197D6

Accessibility & contrast

On white

7.33
#21598B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

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

Best text color

#FFFFFF on #21598B
7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21598B#FFFFFF#000000##FFFFFF
##21598B1.007.332.877.33
#FFFFFF7.331.0021.001.00
#0000002.8721.001.0021.00
##FFFFFF7.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#425C8D
Deuteranopia (green-blind)
#33528A
Tritanopia (blue-blind)
#00656B
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #21598b;
/* rgb */ color: rgb(33, 89, 139);
/* oklch */ color: oklch(45.3% 0.100 248.9);
Tailwind
colors: {
  custom: {
    50: '#6c87ad',
    500: '#21598b',
    950: '#000000',
  },
}
SCSS
$custom: #21598b;
$custom-light: #6c87ad;
$custom-dark: #000000;
JSON
{
  "hex": "#21598b",
  "rgb": {
    "r": 33,
    "g": 89,
    "b": 139
  },
  "hsl": {
    "h": 208.302,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.45273,
    "c": 0.10047,
    "h": 248.9
  },
  "luminance": 0.09332
}

Semantic roles & 50–950 ramp

primary
#21598B
secondary
#B9814F
accent
#8F43E5
background
#F6F8FA
surface
#ECEFF4
border
#C7CACE
text
#080B10
muted
#7A7C7F

Preview Lab

Preview with #21598B

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

Preview Lab → · Contrast checker → · Palette generator →

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