#4C90D8#4C90D8

#4C90D8 is a light, vivid cyan. Relative luminance 0.264; OKLCH L 64.1% C 0.129 H 251.7°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4C90D8
RGB	rgb(76, 144, 216)
HSL	hsl(211, 64%, 57%)
HSV	hsv(211, 65%, 85%)
CMYK	cmyk(64.8%, 33.3%, 0%, 15.3%)
CIE-LAB	lab(58.45, 0.91, -43.19)
CIE-LCH	lch(58.45, 43.20, 271.21°)
OKLab	oklab(64.13% -0.0406 -0.1223)
OKLCH	oklch(64.13% 0.129 251.7)
XYZ	xyz(25.3439, 26.4384, 68.7199)
Luminance	0.2644 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C90D8 #D8944C

analogous

#4CD6D8 #4C90D8 #4E4CD8

triadic

#4C90D8 #D84C90 #90D84C

tetradic

#4C90D8 #D84CD6 #D8944C #4CD84E

square

#4C90D8 #D84CD6 #D8944C #4CD84E

split-complementary

#4C90D8 #D84E4C #D6D84C

monochromatic

#1E538B #2971BE #4C90D8 #7EAFE3 #B1CEEE

Accessibility & contrast

On white

3.34

#4C90D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#4C90D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90D8

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C90D8	#FFFFFF	#000000	##000000
##4C90D8	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7194DB

Deuteranopia (green-blind)

#5D87D7

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4c90d8;
/* rgb */ color: rgb(76, 144, 216);
/* oklch */ color: oklch(64.1% 0.129 251.7);

Tailwind

colors: {
  custom: {
    50: '#8bb0e4',
    500: '#4c90d8',
    950: '#000000',
  },
}

SCSS

$custom: #4c90d8;
$custom-light: #8bb0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4c90d8",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 216
  },
  "hsl": {
    "h": 210.857,
    "s": 64.22,
    "l": 57.255
  },
  "oklch": {
    "l": 0.64127,
    "c": 0.12888,
    "h": 251.7
  },
  "luminance": 0.26441
}

Semantic roles & 50–950 ramp

primary

#4C90D8

secondary

#DCC1A4

accent

#9641E7

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #4C90D8

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

Preview Lab → · Contrast checker → · Palette generator →