#4F91EC#4F91EC

#4F91EC is a light, vivid cyan. Relative luminance 0.280; OKLCH L 65.6% C 0.152 H 256.9°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#4F91EC
RGB	rgb(79, 145, 236)
HSL	hsl(215, 81%, 62%)
HSV	hsv(215, 67%, 93%)
CMYK	cmyk(66.5%, 38.6%, 0%, 7.5%)
CIE-LAB	lab(59.86, 7.63, -52.08)
CIE-LCH	lch(59.86, 52.64, 278.33°)
OKLab	oklab(65.59% -0.0344 -0.1483)
OKLCH	oklch(65.59% 0.152 256.9)
XYZ	xyz(28.4847, 27.9663, 83.2375)
Luminance	0.2797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91EC #ECAA4F

analogous

#4FE0EC #4F91EC #5C4FEC

triadic

#4F91EC #EC4F91 #91EC4F

tetradic

#4F91EC #EC4FE0 #ECAA4F #4FEC5C

square

#4F91EC #EC4FE0 #ECAA4F #4FEC5C

split-complementary

#4F91EC #EC5C4F #E0EC4F

monochromatic

#1354AE #196FE5 #4F91EC #86B4F2 #BDD6F8

Accessibility & contrast

On white

3.18

#4F91EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#4F91EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91EC

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91EC	#FFFFFF	#000000	##000000
##4F91EC	1.00	3.18	6.59	6.59
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6898F0

Deuteranopia (green-blind)

#5089EA

Tritanopia (blue-blind)

#00A6B3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4f91ec;
/* rgb */ color: rgb(79, 145, 236);
/* oklch */ color: oklch(65.6% 0.152 256.9);

Tailwind

colors: {
  custom: {
    50: '#90b0f2',
    500: '#4f91ec',
    950: '#000000',
  },
}

SCSS

$custom: #4f91ec;
$custom-light: #90b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91ec",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 236
  },
  "hsl": {
    "h": 214.777,
    "s": 80.513,
    "l": 61.765
  },
  "oklch": {
    "l": 0.65588,
    "c": 0.15222,
    "h": 256.9
  },
  "luminance": 0.27969
}

Semantic roles & 50–950 ramp

primary

#4F91EC

secondary

#E8D0AE

accent

#8409DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F91EC

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

Preview Lab → · Contrast checker → · Palette generator →