#2163AC#2163AC

#2163AC is a mid, vivid cyan. Relative luminance 0.122; OKLCH L 49.8% C 0.134 H 254.0°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#2163AC
RGB	rgb(33, 99, 172)
HSL	hsl(212, 68%, 40%)
HSV	hsv(212, 81%, 67%)
CMYK	cmyk(80.8%, 42.4%, 0%, 32.5%)
CIE-LAB	lab(41.57, 6.34, -44.84)
CIE-LCH	lch(41.57, 45.28, 278.05°)
OKLab	oklab(49.77% -0.0369 -0.1283)
OKLCH	oklch(49.77% 0.134 254)
XYZ	xyz(12.5326, 12.2241, 40.7207)
Luminance	0.1223 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2163AC #AC6A21

analogous

#21A8AC #2163AC #2521AC

triadic

#2163AC #AC2163 #63AC21

tetradic

#2163AC #AC21A8 #AC6A21 #21AC25

square

#2163AC #AC21A8 #AC6A21 #21AC25

split-complementary

#2163AC #AC2521 #A8AC21

monochromatic

#0D2845 #174579 #2163AC #3281D8 #66A1E2

Accessibility & contrast

On white

6.10

#2163AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#2163AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2163AC

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2163AC	#FFFFFF	#000000	##FFFFFF
##2163AC	1.00	6.10	3.45	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F69AF

Deuteranopia (green-blind)

#255CAB

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2163ac;
/* rgb */ color: rgb(33, 99, 172);
/* oklch */ color: oklch(49.8% 0.134 254.0);

Tailwind

colors: {
  custom: {
    50: '#738ec5',
    500: '#2163ac',
    950: '#000000',
  },
}

SCSS

$custom: #2163ac;
$custom-light: #738ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#2163ac",
  "rgb": {
    "r": 33,
    "g": 99,
    "b": 172
  },
  "hsl": {
    "h": 211.511,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49767,
    "c": 0.13355,
    "h": 254
  },
  "luminance": 0.12226
}

Semantic roles & 50–950 ramp

primary

#2163AC

secondary

#C79762

accent

#983DEB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090C13

muted

#7B7D82

Preview Lab

Preview with #2163AC

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

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