#4F91DD#4F91DD

#4F91DD is a light, vivid cyan. Relative luminance 0.271; OKLCH L 64.7% C 0.133 H 253.4°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#4F91DD
RGB	rgb(79, 145, 221)
HSL	hsl(212, 68%, 59%)
HSV	hsv(212, 64%, 87%)
CMYK	cmyk(64.3%, 34.4%, 0%, 13.3%)
CIE-LAB	lab(59.10, 2.53, -44.96)
CIE-LCH	lch(59.10, 45.03, 273.22°)
OKLab	oklab(64.74% -0.038 -0.1274)
OKLCH	oklch(64.74% 0.133 253.4)
XYZ	xyz(26.3962, 27.1309, 72.2383)
Luminance	0.2713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91DD #DD9B4F

analogous

#4FD8DD #4F91DD #544FDD

triadic

#4F91DD #DD4F91 #91DD4F

tetradic

#4F91DD #DD4FD8 #DD9B4F #4FDD54

square

#4F91DD #DD4FD8 #DD9B4F #4FDD54

split-complementary

#4F91DD #DD544F #D8DD4F

monochromatic

#1D5595 #2772C8 #4F91DD #82B1E7 #B6D1F1

Accessibility & contrast

On white

3.27

#4F91DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#4F91DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91DD

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91DD	#FFFFFF	#000000	##000000
##4F91DD	1.00	3.27	6.43	6.43
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7096E0

Deuteranopia (green-blind)

#5C88DB

Tritanopia (blue-blind)

#00A3AD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4f91dd;
/* rgb */ color: rgb(79, 145, 221);
/* oklch */ color: oklch(64.7% 0.133 253.4);

Tailwind

colors: {
  custom: {
    50: '#8db0e8',
    500: '#4f91dd',
    950: '#000000',
  },
}

SCSS

$custom: #4f91dd;
$custom-light: #8db0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91dd",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 221
  },
  "hsl": {
    "h": 212.113,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.64744,
    "c": 0.13299,
    "h": 253.4
  },
  "luminance": 0.27134
}

Semantic roles & 50–950 ramp

primary

#4F91DD

secondary

#E0C6A8

accent

#9A3DEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4F91DD

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

Preview Lab → · Contrast checker → · Palette generator →