#4F91DF#4F91DF

#4F91DF is a light, vivid cyan. Relative luminance 0.272; OKLCH L 64.9% C 0.136 H 253.9°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4F91DF
RGB	rgb(79, 145, 223)
HSL	hsl(213, 69%, 59%)
HSV	hsv(213, 65%, 87%)
CMYK	cmyk(64.6%, 35%, 0%, 12.5%)
CIE-LAB	lab(59.19, 3.20, -45.92)
CIE-LCH	lch(59.19, 46.03, 273.99°)
OKLab	oklab(64.85% -0.0375 -0.1302)
OKLCH	oklch(64.85% 0.136 253.9)
XYZ	xyz(26.6643, 27.2381, 73.6500)
Luminance	0.2724 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91DF #DF9D4F

analogous

#4FD9DF #4F91DF #554FDF

triadic

#4F91DF #DF4F91 #91DF4F

tetradic

#4F91DF #DF4FD9 #DF9D4F #4FDF55

square

#4F91DF #DF4FD9 #DF9D4F #4FDF55

split-complementary

#4F91DF #DF554F #D9DF4F

monochromatic

#1C5598 #2571CC #4F91DF #83B1E8 #B7D2F2

Accessibility & contrast

On white

3.26

#4F91DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#4F91DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91DF

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91DF	#FFFFFF	#000000	##000000
##4F91DF	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F96E2

Deuteranopia (green-blind)

#5B88DD

Tritanopia (blue-blind)

#00A3AD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4f91df;
/* rgb */ color: rgb(79, 145, 223);
/* oklch */ color: oklch(64.9% 0.136 253.9);

Tailwind

colors: {
  custom: {
    50: '#8eb0e9',
    500: '#4f91df',
    950: '#000000',
  },
}

SCSS

$custom: #4f91df;
$custom-light: #8eb0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91df",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 223
  },
  "hsl": {
    "h": 212.5,
    "s": 69.231,
    "l": 59.216
  },
  "oklch": {
    "l": 0.64853,
    "c": 0.13553,
    "h": 253.9
  },
  "luminance": 0.27241
}

Semantic roles & 50–950 ramp

primary

#4F91DF

secondary

#E1C7A9

accent

#9B3CEC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4F91DF

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

Preview Lab → · Contrast checker → · Palette generator →