#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
RGB	rgb(33, 89, 139)
HSL	hsl(208, 62%, 34%)
HSV	hsv(208, 76%, 55%)
CMYK	cmyk(76.3%, 36%, 0%, 45.5%)
CIE-LAB	lab(36.61, -0.09, -32.98)
CIE-LCH	lch(36.61, 32.98, 269.84°)
OKLab	oklab(45.27% -0.0361 -0.0937)
OKLCH	oklch(45.27% 0.1 248.9)
XYZ	xyz(8.8580, 9.3312, 25.7553)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	cyan

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
##21598B	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

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 →