#4D90E4#4D90E4

#4D90E4 is a light, vivid cyan. Relative luminance 0.271; OKLCH L 64.8% C 0.144 H 255.2°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#4D90E4
RGB	rgb(77, 144, 228)
HSL	hsl(213, 74%, 60%)
HSV	hsv(213, 66%, 89%)
CMYK	cmyk(66.2%, 36.8%, 0%, 10.6%)
CIE-LAB	lab(59.09, 5.16, -48.87)
CIE-LCH	lch(59.09, 49.15, 276.03°)
OKLab	oklab(64.83% -0.0368 -0.1389)
OKLCH	oklch(64.83% 0.144 255.2)
XYZ	xyz(27.0323, 27.1230, 77.1944)
Luminance	0.2713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D90E4 #E4A14D

analogous

#4DDCE4 #4D90E4 #554DE4

triadic

#4D90E4 #E44D90 #90E44D

tetradic

#4D90E4 #E44DDC #E4A14D #4DE455

square

#4D90E4 #E44DDC #E4A14D #4DE455

split-complementary

#4D90E4 #E4554D #DCE44D

monochromatic

#18549F #2070D4 #4D90E4 #82B1EC #B7D2F4

Accessibility & contrast

On white

3.27

#4D90E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#4D90E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D90E4

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D90E4	#FFFFFF	#000000	##000000
##4D90E4	1.00	3.27	6.43	6.43
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B96E7

Deuteranopia (green-blind)

#5588E2

Tritanopia (blue-blind)

#00A3AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4d90e4;
/* rgb */ color: rgb(77, 144, 228);
/* oklch */ color: oklch(64.8% 0.144 255.2);

Tailwind

colors: {
  custom: {
    50: '#8eb0ed',
    500: '#4d90e4',
    950: '#000000',
  },
}

SCSS

$custom: #4d90e4;
$custom-light: #8eb0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4d90e4",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 228
  },
  "hsl": {
    "h": 213.377,
    "s": 73.659,
    "l": 59.804
  },
  "oklch": {
    "l": 0.64831,
    "c": 0.1437,
    "h": 255.2
  },
  "luminance": 0.27126
}

Semantic roles & 50–950 ramp

primary

#4D90E4

secondary

#E4CAA9

accent

#9E37F0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4D90E4

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

Preview Lab → · Contrast checker → · Palette generator →