#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
RGB	rgb(33, 89, 140)
HSL	hsl(209, 62%, 34%)
HSV	hsv(209, 76%, 55%)
CMYK	cmyk(76.4%, 36.4%, 0%, 45.1%)
CIE-LAB	lab(36.67, 0.29, -33.50)
CIE-LCH	lch(36.67, 33.50, 270.50°)
OKLab	oklab(45.33% -0.0358 -0.0953)
OKLCH	oklch(45.33% 0.102 249.4)
XYZ	xyz(8.9314, 9.3605, 26.1419)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	cyan

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
##21598C	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

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 →