#2163AD#2163AD

#2163AD is a mid, vivid cyan. Relative luminance 0.123; OKLCH L 49.8% C 0.135 H 254.2°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#2163AD
RGB	rgb(33, 99, 173)
HSL	hsl(212, 68%, 40%)
HSV	hsv(212, 81%, 68%)
CMYK	cmyk(80.9%, 42.8%, 0%, 32.2%)
CIE-LAB	lab(41.63, 6.73, -45.33)
CIE-LCH	lch(41.63, 45.83, 278.45°)
OKLab	oklab(49.83% -0.0367 -0.1298)
OKLCH	oklch(49.83% 0.135 254.2)
XYZ	xyz(12.6290, 12.2626, 41.2284)
Luminance	0.1226 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2163AD #AD6B21

analogous

#21A9AD #2163AD #2521AD

triadic

#2163AD #AD2163 #63AD21

tetradic

#2163AD #AD21A9 #AD6B21 #21AD25

square

#2163AD #AD21A9 #AD6B21 #21AD25

split-complementary

#2163AD #AD2521 #A9AD21

monochromatic

#0D2846 #17467A #2163AD #3381D8 #66A1E2

Accessibility & contrast

On white

6.08

#2163AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#2163AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2163AD

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2163AD	#FFFFFF	#000000	##FFFFFF
##2163AD	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E69B0

Deuteranopia (green-blind)

#245CAC

Tritanopia (blue-blind)

#00757F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2163ad;
/* rgb */ color: rgb(33, 99, 173);
/* oklch */ color: oklch(49.8% 0.135 254.2);

Tailwind

colors: {
  custom: {
    50: '#738ec6',
    500: '#2163ad',
    950: '#000000',
  },
}

SCSS

$custom: #2163ad;
$custom-light: #738ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#2163ad",
  "rgb": {
    "r": 33,
    "g": 99,
    "b": 173
  },
  "hsl": {
    "h": 211.714,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49833,
    "c": 0.13488,
    "h": 254.2
  },
  "luminance": 0.12264
}

Semantic roles & 50–950 ramp

primary

#2163AD

secondary

#C79862

accent

#993DEB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090C13

muted

#7B7D82

Preview Lab

Preview with #2163AD

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

Preview Lab → · Contrast checker → · Palette generator →