#2163BD#2163BD

#2163BD is a mid, vivid cyan. Relative luminance 0.129; OKLCH L 50.9% C 0.156 H 257.6°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#2163BD
RGB	rgb(33, 99, 189)
HSL	hsl(215, 70%, 44%)
HSV	hsv(215, 83%, 74%)
CMYK	cmyk(82.5%, 47.6%, 0%, 25.9%)
CIE-LAB	lab(42.64, 12.99, -53.07)
CIE-LCH	lch(42.64, 54.63, 283.75°)
OKLab	oklab(50.94% -0.0336 -0.1526)
OKLCH	oklch(50.94% 0.156 257.6)
XYZ	xyz(14.2710, 12.9194, 49.8758)
Luminance	0.1292 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2163BD #BD7B21

analogous

#21B1BD #2163BD #2D21BD

triadic

#2163BD #BD2163 #63BD21

tetradic

#2163BD #BD21B1 #BD7B21 #21BD2D

square

#2163BD #BD21B1 #BD7B21 #21BD2D

split-complementary

#2163BD #BD2D21 #B1BD21

monochromatic

#0F2C55 #184889 #2163BD #3E81DD #72A3E6

Accessibility & contrast

On white

5.86

#2163BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#2163BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2163BD

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2163BD	#FFFFFF	#000000	##FFFFFF
##2163BD	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306CC0

Deuteranopia (green-blind)

#005EBB

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2163bd;
/* rgb */ color: rgb(33, 99, 189);
/* oklch */ color: oklch(50.9% 0.156 257.6);

Tailwind

colors: {
  custom: {
    50: '#778ed1',
    500: '#2163bd',
    950: '#000000',
  },
}

SCSS

$custom: #2163bd;
$custom-light: #778ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#2163bd",
  "rgb": {
    "r": 33,
    "g": 99,
    "b": 189
  },
  "hsl": {
    "h": 214.615,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50941,
    "c": 0.15621,
    "h": 257.6
  },
  "luminance": 0.12921
}

Semantic roles & 50–950 ramp

primary

#2163BD

secondary

#CDA46D

accent

#A23BED

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2163BD

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

Preview Lab → · Contrast checker → · Palette generator →