#4F90E2#4F90E2

#4F90E2 is a light, vivid cyan. Relative luminance 0.271; OKLCH L 64.8% C 0.140 H 255.2°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#4F90E2
RGB	rgb(79, 144, 226)
HSL	hsl(213, 72%, 60%)
HSV	hsv(213, 65%, 89%)
CMYK	cmyk(65%, 36.3%, 0%, 11.4%)
CIE-LAB	lab(59.06, 4.81, -47.79)
CIE-LCH	lch(59.06, 48.04, 275.74°)
OKLab	oklab(64.8% -0.0358 -0.1357)
OKLCH	oklch(64.8% 0.14 255.2)
XYZ	xyz(26.9202, 27.0971, 75.7483)
Luminance	0.2710 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90E2 #E2A14F

analogous

#4FDAE2 #4F90E2 #574FE2

triadic

#4F90E2 #E24F90 #90E24F

tetradic

#4F90E2 #E24FDA #E2A14F #4FE257

square

#4F90E2 #E24FDA #E2A14F #4FE257

split-complementary

#4F90E2 #E2574F #DAE24F

monochromatic

#1A549D #2270D1 #4F90E2 #84B1EB #B8D2F3

Accessibility & contrast

On white

3.27

#4F90E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#4F90E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90E2

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90E2	#FFFFFF	#000000	##000000
##4F90E2	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C96E5

Deuteranopia (green-blind)

#5788E0

Tritanopia (blue-blind)

#00A3AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4f90e2;
/* rgb */ color: rgb(79, 144, 226);
/* oklch */ color: oklch(64.8% 0.140 255.2);

Tailwind

colors: {
  custom: {
    50: '#8eb0eb',
    500: '#4f90e2',
    950: '#000000',
  },
}

SCSS

$custom: #4f90e2;
$custom-light: #8eb0eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90e2",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 226
  },
  "hsl": {
    "h": 213.469,
    "s": 71.707,
    "l": 59.804
  },
  "oklch": {
    "l": 0.64801,
    "c": 0.14037,
    "h": 255.2
  },
  "luminance": 0.271
}

Semantic roles & 50–950 ramp

primary

#4F90E2

secondary

#E3CAAA

accent

#9E39EE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4F90E2

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

Preview Lab → · Contrast checker → · Palette generator →