#4C91DD#4C91DD

#4C91DD is a light, vivid cyan. Relative luminance 0.270; OKLCH L 64.6% C 0.134 H 252.6°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4C91DD
RGB	rgb(76, 145, 221)
HSL	hsl(211, 68%, 58%)
HSV	hsv(211, 66%, 87%)
CMYK	cmyk(65.6%, 34.4%, 0%, 13.3%)
CIE-LAB	lab(58.98, 2.02, -45.15)
CIE-LCH	lch(58.98, 45.20, 272.56°)
OKLab	oklab(64.62% -0.0402 -0.128)
OKLCH	oklch(64.62% 0.134 252.6)
XYZ	xyz(26.1522, 27.0051, 72.2269)
Luminance	0.2701 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C91DD #DD984C

analogous

#4CDADD #4C91DD #4F4CDD

triadic

#4C91DD #DD4C91 #91DD4C

tetradic

#4C91DD #DD4CDA #DD984C #4CDD4F

square

#4C91DD #DD4CDA #DD984C #4CDD4F

split-complementary

#4C91DD #DD4F4C #DADD4C

monochromatic

#1C5493 #2672C6 #4C91DD #7FB1E7 #B3D0F1

Accessibility & contrast

On white

3.28

#4C91DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#4C91DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C91DD

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C91DD	#FFFFFF	#000000	##000000
##4C91DD	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7095E0

Deuteranopia (green-blind)

#5B88DB

Tritanopia (blue-blind)

#00A3AD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4c91dd;
/* rgb */ color: rgb(76, 145, 221);
/* oklch */ color: oklch(64.6% 0.134 252.6);

Tailwind

colors: {
  custom: {
    50: '#8cb0e8',
    500: '#4c91dd',
    950: '#000000',
  },
}

SCSS

$custom: #4c91dd;
$custom-light: #8cb0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4c91dd",
  "rgb": {
    "r": 76,
    "g": 145,
    "b": 221
  },
  "hsl": {
    "h": 211.448,
    "s": 68.075,
    "l": 58.235
  },
  "oklch": {
    "l": 0.64621,
    "c": 0.1342,
    "h": 252.6
  },
  "luminance": 0.27008
}

Semantic roles & 50–950 ramp

primary

#4C91DD

secondary

#DFC4A6

accent

#983DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4C91DD

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

Preview Lab → · Contrast checker → · Palette generator →