#2163A8#2163A8

#2163A8 is a mid, vivid cyan. Relative luminance 0.121; OKLCH L 49.5% C 0.128 H 252.9°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#2163A8
RGB	rgb(33, 99, 168)
HSL	hsl(211, 67%, 39%)
HSV	hsv(211, 80%, 66%)
CMYK	cmyk(80.4%, 41.1%, 0%, 34.1%)
CIE-LAB	lab(41.33, 4.79, -42.86)
CIE-LCH	lch(41.33, 43.12, 276.37°)
OKLab	oklab(49.5% -0.0378 -0.1225)
OKLCH	oklch(49.5% 0.128 252.9)
XYZ	xyz(12.1543, 12.0727, 38.7279)
Luminance	0.1207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2163A8 #A86621

analogous

#21A7A8 #2163A8 #2321A8

triadic

#2163A8 #A82163 #63A821

tetradic

#2163A8 #A821A7 #A86621 #21A823

square

#2163A8 #A821A7 #A86621 #21A823

split-complementary

#2163A8 #A82321 #A7A821

monochromatic

#0D2742 #174575 #2163A8 #3081D6 #63A0E0

Accessibility & contrast

On white

6.15

#2163A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#2163A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2163A8

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2163A8	#FFFFFF	#000000	##FFFFFF
##2163A8	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4168AB

Deuteranopia (green-blind)

#2B5CA7

Tritanopia (blue-blind)

#00737D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2163a8;
/* rgb */ color: rgb(33, 99, 168);
/* oklch */ color: oklch(49.5% 0.128 252.9);

Tailwind

colors: {
  custom: {
    50: '#728ec2',
    500: '#2163a8',
    950: '#000000',
  },
}

SCSS

$custom: #2163a8;
$custom-light: #728ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#2163a8",
  "rgb": {
    "r": 33,
    "g": 99,
    "b": 168
  },
  "hsl": {
    "h": 210.667,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49503,
    "c": 0.12824,
    "h": 252.9
  },
  "luminance": 0.12074
}

Semantic roles & 50–950 ramp

primary

#2163A8

secondary

#C5945F

accent

#963EEA

background

#F7F8FC

surface

#EDF0F8

border

#C8CBD1

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2163A8

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

Preview Lab → · Contrast checker → · Palette generator →