#4C90DD#4C90DD

#4C90DD is a light, vivid cyan. Relative luminance 0.267; OKLCH L 64.4% C 0.135 H 253.1°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#4C90DD
RGB	rgb(76, 144, 221)
HSL	hsl(212, 68%, 58%)
HSV	hsv(212, 66%, 87%)
CMYK	cmyk(65.6%, 34.8%, 0%, 13.3%)
CIE-LAB	lab(58.70, 2.61, -45.60)
CIE-LCH	lch(58.70, 45.67, 273.27°)
OKLab	oklab(64.4% -0.0392 -0.1293)
OKLCH	oklch(64.4% 0.135 253.1)
XYZ	xyz(26.0001, 26.7009, 72.1762)
Luminance	0.2670 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C90DD #DD994C

analogous

#4CD8DD #4C90DD #504CDD

triadic

#4C90DD #DD4C90 #90DD4C

tetradic

#4C90DD #DD4CD8 #DD994C #4CDD50

square

#4C90DD #DD4CD8 #DD994C #4CDD50

split-complementary

#4C90DD #DD504C #D8DD4C

monochromatic

#1C5493 #2671C6 #4C90DD #7FB0E7 #B3D0F1

Accessibility & contrast

On white

3.31

#4C90DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#4C90DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90DD

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C90DD	#FFFFFF	#000000	##000000
##4C90DD	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E95E0

Deuteranopia (green-blind)

#5A87DB

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4c90dd;
/* rgb */ color: rgb(76, 144, 221);
/* oklch */ color: oklch(64.4% 0.135 253.1);

Tailwind

colors: {
  custom: {
    50: '#8cb0e8',
    500: '#4c90dd',
    950: '#000000',
  },
}

SCSS

$custom: #4c90dd;
$custom-light: #8cb0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4c90dd",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 221
  },
  "hsl": {
    "h": 211.862,
    "s": 68.075,
    "l": 58.235
  },
  "oklch": {
    "l": 0.64399,
    "c": 0.13517,
    "h": 253.1
  },
  "luminance": 0.26703
}

Semantic roles & 50–950 ramp

primary

#4C90DD

secondary

#DFC4A6

accent

#993DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4C90DD

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

Preview Lab → · Contrast checker → · Palette generator →