#2163A4#2163A4

#2163A4 is a mid, vivid cyan. Relative luminance 0.119; OKLCH L 49.2% C 0.123 H 251.6°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#2163A4
RGB	rgb(33, 99, 164)
HSL	hsl(210, 66%, 39%)
HSV	hsv(210, 80%, 64%)
CMYK	cmyk(79.9%, 39.6%, 0%, 35.7%)
CIE-LAB	lab(41.10, 3.23, -40.86)
CIE-LCH	lch(41.10, 40.99, 274.52°)
OKLab	oklab(49.25% -0.0388 -0.1167)
OKLCH	oklch(49.25% 0.123 251.6)
XYZ	xyz(11.7873, 11.9259, 36.7955)
Luminance	0.1193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2163A4 #A46221

analogous

#21A4A3 #2163A4 #2122A4

triadic

#2163A4 #A42163 #63A421

tetradic

#2163A4 #A321A4 #A46221 #22A421

square

#2163A4 #A321A4 #A46221 #22A421

split-complementary

#2163A4 #A42122 #A4A321

monochromatic

#0C253E #174471 #2163A4 #2D82D5 #60A0DF

Accessibility & contrast

On white

6.20

#2163A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#2163A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2163A4

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2163A4	#FFFFFF	#000000	##FFFFFF
##2163A4	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4467A7

Deuteranopia (green-blind)

#2F5BA3

Tritanopia (blue-blind)

#00727B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2163a4;
/* rgb */ color: rgb(33, 99, 164);
/* oklch */ color: oklch(49.2% 0.123 251.6);

Tailwind

colors: {
  custom: {
    50: '#718ebf',
    500: '#2163a4',
    950: '#000000',
  },
}

SCSS

$custom: #2163a4;
$custom-light: #718ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2163a4",
  "rgb": {
    "r": 33,
    "g": 99,
    "b": 164
  },
  "hsl": {
    "h": 209.771,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49246,
    "c": 0.12296,
    "h": 251.6
  },
  "luminance": 0.11927
}

Semantic roles & 50–950 ramp

primary

#2163A4

secondary

#C4905D

accent

#933EE9

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2163A4

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

Preview Lab → · Contrast checker → · Palette generator →