#4F91ED#4F91ED

#4F91ED is a light, vivid cyan. Relative luminance 0.280; OKLCH L 65.6% C 0.154 H 257.1°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#4F91ED
RGB	rgb(79, 145, 237)
HSL	hsl(215, 81%, 62%)
HSV	hsv(215, 67%, 93%)
CMYK	cmyk(66.7%, 38.8%, 0%, 7.1%)
CIE-LAB	lab(59.91, 7.97, -52.55)
CIE-LCH	lch(59.91, 53.15, 278.62°)
OKLab	oklab(65.65% -0.0342 -0.1496)
OKLCH	oklch(65.65% 0.154 257.1)
XYZ	xyz(28.6304, 28.0246, 84.0048)
Luminance	0.2803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91ED #EDAB4F

analogous

#4FE0ED #4F91ED #5C4FED

triadic

#4F91ED #ED4F91 #91ED4F

tetradic

#4F91ED #ED4FE0 #EDAB4F #4FED5C

square

#4F91ED #ED4FE0 #EDAB4F #4FED5C

split-complementary

#4F91ED #ED5C4F #E0ED4F

monochromatic

#1254B0 #186EE7 #4F91ED #87B4F3 #BED6F8

Accessibility & contrast

On white

3.18

#4F91ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#4F91ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91ED

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91ED	#FFFFFF	#000000	##000000
##4F91ED	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6798F1

Deuteranopia (green-blind)

#508AEB

Tritanopia (blue-blind)

#00A6B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4f91ed;
/* rgb */ color: rgb(79, 145, 237);
/* oklch */ color: oklch(65.6% 0.154 257.1);

Tailwind

colors: {
  custom: {
    50: '#90b0f3',
    500: '#4f91ed',
    950: '#000000',
  },
}

SCSS

$custom: #4f91ed;
$custom-light: #90b0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91ed",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 237
  },
  "hsl": {
    "h": 214.937,
    "s": 81.443,
    "l": 61.961
  },
  "oklch": {
    "l": 0.65646,
    "c": 0.15351,
    "h": 257.1
  },
  "luminance": 0.28027
}

Semantic roles & 50–950 ramp

primary

#4F91ED

secondary

#E9D1AF

accent

#8408DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F91ED

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

Preview Lab → · Contrast checker → · Palette generator →