#4C81BC#4C81BC

#4C81BC is a mid, moderate cyan. Relative luminance 0.209; OKLCH L 59.3% C 0.107 H 252.4°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#4C81BC
RGB	rgb(76, 129, 188)
HSL	hsl(212, 46%, 52%)
HSV	hsv(212, 60%, 74%)
CMYK	cmyk(59.6%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(52.80, 0.36, -36.23)
CIE-LCH	lch(52.80, 36.24, 270.57°)
OKLab	oklab(59.26% -0.0325 -0.1022)
OKLCH	oklch(59.26% 0.107 252.4)
XYZ	xyz(19.9046, 20.8661, 50.5458)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C81BC #BC874C

analogous

#4CB9BC #4C81BC #4F4CBC

triadic

#4C81BC #BC4C81 #81BC4C

tetradic

#4C81BC #BC4CB9 #BC874C #4CBC4F

square

#4C81BC #BC4CB9 #BC874C #4CBC4F

split-complementary

#4C81BC #BC4F4C #B9BC4C

monochromatic

#274567 #376394 #4C81BC #79A0CD #A5C0DD

Accessibility & contrast

On white

4.06

#4C81BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#4C81BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C81BC

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C81BC	#FFFFFF	#000000	##000000
##4C81BC	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6884BF

Deuteranopia (green-blind)

#5979BB

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4c81bc;
/* rgb */ color: rgb(76, 129, 188);
/* oklch */ color: oklch(59.3% 0.107 252.4);

Tailwind

colors: {
  custom: {
    50: '#87a5d0',
    500: '#4c81bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c81bc;
$custom-light: #87a5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c81bc",
  "rgb": {
    "r": 76,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 211.607,
    "s": 45.528,
    "l": 51.765
  },
  "oklch": {
    "l": 0.59258,
    "c": 0.10727,
    "h": 252.4
  },
  "luminance": 0.20868
}

Semantic roles & 50–950 ramp

primary

#4C81BC

secondary

#CAB399

accent

#9753D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4C81BC

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

Preview Lab → · Contrast checker → · Palette generator →