#4F90EA#4F90EA

#4F90EA is a light, vivid cyan. Relative luminance 0.275; OKLCH L 65.3% C 0.151 H 257.0°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#4F90EA
RGB	rgb(79, 144, 234)
HSL	hsl(215, 79%, 61%)
HSV	hsv(215, 66%, 92%)
CMYK	cmyk(66.2%, 38.5%, 0%, 8.2%)
CIE-LAB	lab(59.48, 7.53, -51.58)
CIE-LCH	lch(59.48, 52.13, 278.31°)
OKLab	oklab(65.26% -0.0339 -0.1468)
OKLCH	oklch(65.26% 0.151 257)
XYZ	xyz(28.0436, 27.5465, 81.6650)
Luminance	0.2755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90EA #EAA94F

analogous

#4FDDEA #4F90EA #5C4FEA

triadic

#4F90EA #EA4F90 #90EA4F

tetradic

#4F90EA #EA4FDD #EAA94F #4FEA5C

square

#4F90EA #EA4FDD #EAA94F #4FEA5C

split-complementary

#4F90EA #EA5C4F #DDEA4F

monochromatic

#1453AA #1B6EE1 #4F90EA #86B2F1 #BCD5F7

Accessibility & contrast

On white

3.23

#4F90EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#4F90EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90EA

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90EA	#FFFFFF	#000000	##000000
##4F90EA	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6797EE

Deuteranopia (green-blind)

#5089E8

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4f90ea;
/* rgb */ color: rgb(79, 144, 234);
/* oklch */ color: oklch(65.3% 0.151 257.0);

Tailwind

colors: {
  custom: {
    50: '#8fb0f1',
    500: '#4f90ea',
    950: '#000000',
  },
}

SCSS

$custom: #4f90ea;
$custom-light: #8fb0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90ea",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 234
  },
  "hsl": {
    "h": 214.839,
    "s": 78.68,
    "l": 61.373
  },
  "oklch": {
    "l": 0.65257,
    "c": 0.15069,
    "h": 257
  },
  "luminance": 0.27549
}

Semantic roles & 50–950 ramp

primary

#4F90EA

secondary

#E7CFAD

accent

#840BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F90EA

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

Preview Lab → · Contrast checker → · Palette generator →