#4C81CB#4C81CB

#4C81CB is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 60.1% C 0.127 H 257.0°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4C81CB
RGB	rgb(76, 129, 203)
HSL	hsl(215, 55%, 55%)
HSV	hsv(215, 63%, 80%)
CMYK	cmyk(62.6%, 36.5%, 0%, 20.4%)
CIE-LAB	lab(53.54, 5.40, -43.62)
CIE-LCH	lch(53.54, 43.95, 277.06°)
OKLab	oklab(60.08% -0.0285 -0.1237)
OKLCH	oklch(60.08% 0.127 257)
XYZ	xyz(21.6064, 21.5468, 59.5086)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C81CB #CB964C

analogous

#4CC0CB #4C81CB #574CCB

triadic

#4C81CB #CB4C81 #81CB4C

tetradic

#4C81CB #CB4CC0 #CB964C #4CCB57

square

#4C81CB #CB4CC0 #CB964C #4CCB57

split-complementary

#4C81CB #CB574C #C0CB4C

monochromatic

#234779 #3163A9 #4C81CB #7BA2D9 #ABC4E7

Accessibility & contrast

On white

3.95

#4C81CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#4C81CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C81CB

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C81CB	#FFFFFF	#000000	##000000
##4C81CB	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6186CE

Deuteranopia (green-blind)

#507AC9

Tritanopia (blue-blind)

#00929C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4c81cb;
/* rgb */ color: rgb(76, 129, 203);
/* oklch */ color: oklch(60.1% 0.127 257.0);

Tailwind

colors: {
  custom: {
    50: '#89a5db',
    500: '#4c81cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c81cb;
$custom-light: #89a5db;
$custom-dark: #000000;

JSON

{
  "hex": "#4c81cb",
  "rgb": {
    "r": 76,
    "g": 129,
    "b": 203
  },
  "hsl": {
    "h": 214.961,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.60079,
    "c": 0.12698,
    "h": 257
  },
  "luminance": 0.21549
}

Semantic roles & 50–950 ramp

primary

#4C81CB

secondary

#D4BE9F

accent

#A049DE

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D0F15

muted

#7D7F83

Preview Lab

Preview with #4C81CB

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

Preview Lab → · Contrast checker → · Palette generator →