#4C90DA#4C90DA

#4C90DA is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.2% C 0.131 H 252.3°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#4C90DA
RGB	rgb(76, 144, 218)
HSL	hsl(211, 66%, 58%)
HSV	hsv(211, 65%, 85%)
CMYK	cmyk(65.1%, 33.9%, 0%, 14.5%)
CIE-LAB	lab(58.55, 1.59, -44.16)
CIE-LCH	lch(58.55, 44.18, 272.06°)
OKLab	oklab(64.24% -0.04 -0.1251)
OKLCH	oklch(64.24% 0.131 252.3)
XYZ	xyz(25.6040, 26.5424, 70.0899)
Luminance	0.2655 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C90DA #DA964C

analogous

#4CD7DA #4C90DA #4F4CDA

triadic

#4C90DA #DA4C90 #90DA4C

tetradic

#4C90DA #DA4CD7 #DA964C #4CDA4F

square

#4C90DA #DA4CD7 #DA964C #4CDA4F

split-complementary

#4C90DA #DA4F4C #D7DA4C

monochromatic

#1D538E #2871C1 #4C90DA #7FAFE4 #B1CFEF

Accessibility & contrast

On white

3.33

#4C90DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#4C90DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C90DA

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C90DA	#FFFFFF	#000000	##000000
##4C90DA	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7094DD

Deuteranopia (green-blind)

#5C87D9

Tritanopia (blue-blind)

#00A1AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4c90da;
/* rgb */ color: rgb(76, 144, 218);
/* oklch */ color: oklch(64.2% 0.131 252.3);

Tailwind

colors: {
  custom: {
    50: '#8cb0e6',
    500: '#4c90da',
    950: '#000000',
  },
}

SCSS

$custom: #4c90da;
$custom-light: #8cb0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c90da",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 218
  },
  "hsl": {
    "h": 211.268,
    "s": 65.741,
    "l": 57.647
  },
  "oklch": {
    "l": 0.64235,
    "c": 0.13138,
    "h": 252.3
  },
  "luminance": 0.26545
}

Semantic roles & 50–950 ramp

primary

#4C90DA

secondary

#DDC2A4

accent

#973FE9

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4C90DA

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

Preview Lab → · Contrast checker → · Palette generator →