#4A90DC#4A90DC

#4A90DC is a light, vivid cyan. Relative luminance 0.266; OKLCH L 64.3% C 0.135 H 252.3°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#4A90DC
RGB	rgb(74, 144, 220)
HSL	hsl(211, 68%, 58%)
HSV	hsv(211, 66%, 86%)
CMYK	cmyk(66.4%, 34.5%, 0%, 13.7%)
CIE-LAB	lab(58.57, 1.94, -45.24)
CIE-LCH	lch(58.57, 45.28, 272.45°)
OKLab	oklab(64.26% -0.0409 -0.1283)
OKLCH	oklch(64.26% 0.135 252.3)
XYZ	xyz(25.7108, 26.5670, 71.4692)
Luminance	0.2657 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A90DC #DC964A

analogous

#4AD9DC #4A90DC #4D4ADC

triadic

#4A90DC #DC4A90 #90DC4A

tetradic

#4A90DC #DC4AD9 #DC964A #4ADC4D

square

#4A90DC #DC4AD9 #DC964A #4ADC4D

split-complementary

#4A90DC #DC4D4A #D9DC4A

monochromatic

#1C5390 #2671C3 #4A90DC #7DAFE6 #B1CFF0

Accessibility & contrast

On white

3.33

#4A90DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#4A90DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90DC

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A90DC	#FFFFFF	#000000	##000000
##4A90DC	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)

#6E94DF

Deuteranopia (green-blind)

#5A87DA

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4a90dc;
/* rgb */ color: rgb(74, 144, 220);
/* oklch */ color: oklch(64.3% 0.135 252.3);

Tailwind

colors: {
  custom: {
    50: '#8bb0e7',
    500: '#4a90dc',
    950: '#000000',
  },
}

SCSS

$custom: #4a90dc;
$custom-light: #8bb0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4a90dc",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 220
  },
  "hsl": {
    "h": 211.233,
    "s": 67.593,
    "l": 57.647
  },
  "oklch": {
    "l": 0.64264,
    "c": 0.13471,
    "h": 252.3
  },
  "luminance": 0.2657
}

Semantic roles & 50–950 ramp

primary

#4A90DC

secondary

#DEC2A4

accent

#973DEA

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4A90DC

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

Preview Lab → · Contrast checker → · Palette generator →