#4F90DD#4F90DD

#4F90DD is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.5% C 0.134 H 254.0°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#4F90DD
RGB	rgb(79, 144, 221)
HSL	hsl(213, 68%, 59%)
HSV	hsv(213, 64%, 87%)
CMYK	cmyk(64.3%, 34.8%, 0%, 13.3%)
CIE-LAB	lab(58.81, 3.12, -45.40)
CIE-LCH	lch(58.81, 45.51, 273.92°)
OKLab	oklab(64.52% -0.037 -0.1287)
OKLCH	oklch(64.52% 0.134 254)
XYZ	xyz(26.2441, 26.8267, 72.1876)
Luminance	0.2683 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90DD #DD9C4F

analogous

#4FD7DD #4F90DD #554FDD

triadic

#4F90DD #DD4F90 #90DD4F

tetradic

#4F90DD #DD4FD7 #DD9C4F #4FDD55

square

#4F90DD #DD4FD7 #DD9C4F #4FDD55

split-complementary

#4F90DD #DD554F #D7DD4F

monochromatic

#1D5495 #2771C8 #4F90DD #82B0E7 #B6D1F1

Accessibility & contrast

On white

3.30

#4F90DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#4F90DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90DD

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90DD	#FFFFFF	#000000	##000000
##4F90DD	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E95E0

Deuteranopia (green-blind)

#5B87DB

Tritanopia (blue-blind)

#00A2AC

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4f90dd;
/* rgb */ color: rgb(79, 144, 221);
/* oklch */ color: oklch(64.5% 0.134 254.0);

Tailwind

colors: {
  custom: {
    50: '#8db0e8',
    500: '#4f90dd',
    950: '#000000',
  },
}

SCSS

$custom: #4f90dd;
$custom-light: #8db0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90dd",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 221
  },
  "hsl": {
    "h": 212.535,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.64523,
    "c": 0.13396,
    "h": 254
  },
  "luminance": 0.26829
}

Semantic roles & 50–950 ramp

primary

#4F90DD

secondary

#E0C6A8

accent

#9B3DEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4F90DD

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

Preview Lab → · Contrast checker → · Palette generator →