#4C90D9#4C90D9

#4C90D9 is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.2% C 0.130 H 252.0°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#4C90D9
RGB	rgb(76, 144, 217)
HSL	hsl(211, 65%, 57%)
HSV	hsv(211, 65%, 85%)
CMYK	cmyk(65%, 33.6%, 0%, 14.9%)
CIE-LAB	lab(58.50, 1.25, -43.67)
CIE-LCH	lch(58.50, 43.69, 271.64°)
OKLab	oklab(64.18% -0.0403 -0.1237)
OKLCH	oklch(64.18% 0.13 252)
XYZ	xyz(25.4735, 26.4902, 69.4028)
Luminance	0.2649 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C90D9 #D9954C

analogous

#4CD6D9 #4C90D9 #4F4CD9

triadic

#4C90D9 #D94C90 #90D94C

tetradic

#4C90D9 #D94CD6 #D9954C #4CD94F

square

#4C90D9 #D94CD6 #D9954C #4CD94F

split-complementary

#4C90D9 #D94F4C #D6D94C

monochromatic

#1E538D #2971BF #4C90D9 #7EAFE4 #B1CFEE

Accessibility & contrast

On white

3.33

#4C90D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#4C90D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90D9

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C90D9	#FFFFFF	#000000	##000000
##4C90D9	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7094DC

Deuteranopia (green-blind)

#5D87D8

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4c90d9;
/* rgb */ color: rgb(76, 144, 217);
/* oklch */ color: oklch(64.2% 0.130 252.0);

Tailwind

colors: {
  custom: {
    50: '#8bb0e5',
    500: '#4c90d9',
    950: '#000000',
  },
}

SCSS

$custom: #4c90d9;
$custom-light: #8bb0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4c90d9",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 217
  },
  "hsl": {
    "h": 211.064,
    "s": 64.977,
    "l": 57.451
  },
  "oklch": {
    "l": 0.64181,
    "c": 0.13012,
    "h": 252
  },
  "luminance": 0.26493
}

Semantic roles & 50–950 ramp

primary

#4C90D9

secondary

#DDC1A4

accent

#9740E8

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4C90D9

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

Preview Lab → · Contrast checker → · Palette generator →