#4F90ED#4F90ED

#4F90ED is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.4% C 0.155 H 257.6°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4F90ED
RGB	rgb(79, 144, 237)
HSL	hsl(215, 81%, 62%)
HSV	hsv(215, 67%, 93%)
CMYK	cmyk(66.7%, 39.2%, 0%, 7.1%)
CIE-LAB	lab(59.64, 8.56, -52.99)
CIE-LCH	lch(59.64, 53.68, 279.18°)
OKLab	oklab(65.43% -0.0333 -0.1509)
OKLCH	oklch(65.43% 0.155 257.6)
XYZ	xyz(28.4783, 27.7203, 83.9541)
Luminance	0.2772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90ED #EDAC4F

analogous

#4FDFED #4F90ED #5D4FED

triadic

#4F90ED #ED4F90 #90ED4F

tetradic

#4F90ED #ED4FDF #EDAC4F #4FED5D

square

#4F90ED #ED4FDF #EDAC4F #4FED5D

split-complementary

#4F90ED #ED5D4F #DFED4F

monochromatic

#1253B0 #186DE7 #4F90ED #87B3F3 #BED6F8

Accessibility & contrast

On white

3.21

#4F90ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#4F90ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90ED

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90ED	#FFFFFF	#000000	##000000
##4F90ED	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6698F1

Deuteranopia (green-blind)

#4E89EB

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4f90ed;
/* rgb */ color: rgb(79, 144, 237);
/* oklch */ color: oklch(65.4% 0.155 257.6);

Tailwind

colors: {
  custom: {
    50: '#90b0f3',
    500: '#4f90ed',
    950: '#000000',
  },
}

SCSS

$custom: #4f90ed;
$custom-light: #90b0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90ed",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 237
  },
  "hsl": {
    "h": 215.316,
    "s": 81.443,
    "l": 61.961
  },
  "oklch": {
    "l": 0.65432,
    "c": 0.15457,
    "h": 257.6
  },
  "luminance": 0.27723
}

Semantic roles & 50–950 ramp

primary

#4F90ED

secondary

#E9D1AF

accent

#8608DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F90ED

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

Preview Lab → · Contrast checker → · Palette generator →