#4F90E4#4F90E4

#4F90E4 is a light, vivid cyan. Relative luminance 0.272; OKLCH L 64.9% C 0.143 H 255.7°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#4F90E4
RGB	rgb(79, 144, 228)
HSL	hsl(214, 73%, 60%)
HSV	hsv(214, 65%, 89%)
CMYK	cmyk(65.4%, 36.8%, 0%, 10.6%)
CIE-LAB	lab(59.17, 5.49, -48.75)
CIE-LCH	lch(59.17, 49.05, 276.42°)
OKLab	oklab(64.91% -0.0353 -0.1385)
OKLCH	oklch(64.91% 0.143 255.7)
XYZ	xyz(27.1962, 27.2075, 77.2021)
Luminance	0.2721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90E4 #E4A34F

analogous

#4FDAE4 #4F90E4 #594FE4

triadic

#4F90E4 #E44F90 #90E44F

tetradic

#4F90E4 #E44FDA #E4A34F #4FE459

square

#4F90E4 #E44FDA #E4A34F #4FE459

split-complementary

#4F90E4 #E4594F #DAE44F

monochromatic

#1954A0 #216FD5 #4F90E4 #84B1EC #B9D3F4

Accessibility & contrast

On white

3.26

#4F90E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#4F90E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90E4

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90E4	#FFFFFF	#000000	##000000
##4F90E4	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	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: #4f90e4;
/* rgb */ color: rgb(79, 144, 228);
/* oklch */ color: oklch(64.9% 0.143 255.7);

Tailwind

colors: {
  custom: {
    50: '#8eb0ed',
    500: '#4f90e4',
    950: '#000000',
  },
}

SCSS

$custom: #4f90e4;
$custom-light: #8eb0ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90e4",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 228
  },
  "hsl": {
    "h": 213.826,
    "s": 73.399,
    "l": 60.196
  },
  "oklch": {
    "l": 0.64914,
    "c": 0.14294,
    "h": 255.7
  },
  "luminance": 0.2721
}

Semantic roles & 50–950 ramp

primary

#4F90E4

secondary

#E4CBAB

accent

#7F10D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #4F90E4

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

Preview Lab → · Contrast checker → · Palette generator →