#4A90E8#4A90E8

#4A90E8 is a light, vivid cyan. Relative luminance 0.272; OKLCH L 64.9% C 0.150 H 255.3°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4A90E8
RGB	rgb(74, 144, 232)
HSL	hsl(213, 77%, 60%)
HSV	hsv(213, 68%, 91%)
CMYK	cmyk(68.1%, 37.9%, 0%, 9%)
CIE-LAB	lab(59.18, 6.07, -50.95)
CIE-LCH	lch(59.18, 51.31, 276.79°)
OKLab	oklab(64.94% -0.038 -0.145)
OKLCH	oklch(64.94% 0.15 255.3)
XYZ	xyz(27.3575, 27.2257, 80.1416)
Luminance	0.2723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A90E8 #E8A24A

analogous

#4ADFE8 #4A90E8 #534AE8

triadic

#4A90E8 #E84A90 #90E84A

tetradic

#4A90E8 #E84ADF #E8A24A #4AE853

square

#4A90E8 #E84ADF #E8A24A #4AE853

split-complementary

#4A90E8 #E8534A #DFE84A

monochromatic

#1554A3 #1C70D9 #4A90E8 #80B1EF #B7D3F6

Accessibility & contrast

On white

3.26

#4A90E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#4A90E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4A90E8

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A90E8	#FFFFFF	#000000	##000000
##4A90E8	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6896EC

Deuteranopia (green-blind)

#5088E6

Tritanopia (blue-blind)

#00A4B1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4a90e8;
/* rgb */ color: rgb(74, 144, 232);
/* oklch */ color: oklch(64.9% 0.150 255.3);

Tailwind

colors: {
  custom: {
    50: '#8db0f0',
    500: '#4a90e8',
    950: '#000000',
  },
}

SCSS

$custom: #4a90e8;
$custom-light: #8db0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4a90e8",
  "rgb": {
    "r": 74,
    "g": 144,
    "b": 232
  },
  "hsl": {
    "h": 213.418,
    "s": 77.451,
    "l": 60
  },
  "oklch": {
    "l": 0.64941,
    "c": 0.14993,
    "h": 255.3
  },
  "luminance": 0.27229
}

Semantic roles & 50–950 ramp

primary

#4A90E8

secondary

#E5CAA8

accent

#9F34F4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4A90E8

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

Preview Lab → · Contrast checker → · Palette generator →