#4591DE#4591DE

#4591DE is a light, vivid cyan. Relative luminance 0.268; OKLCH L 64.4% C 0.138 H 251.1°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4591DE
RGB	rgb(69, 145, 222)
HSL	hsl(210, 70%, 57%)
HSV	hsv(210, 69%, 87%)
CMYK	cmyk(68.9%, 34.7%, 0%, 12.9%)
CIE-LAB	lab(58.78, 1.26, -46.04)
CIE-LCH	lch(58.78, 46.06, 271.56°)
OKLab	oklab(64.41% -0.0448 -0.1307)
OKLCH	oklch(64.41% 0.138 251.1)
XYZ	xyz(25.7596, 26.7872, 72.9059)
Luminance	0.2679 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591DE #DE9245

analogous

#45DEDE #4591DE #4645DE

triadic

#4591DE #DE4591 #91DE45

tetradic

#4591DE #DE45DE #DE9245 #45DE46

square

#4591DE #DE45DE #DE9245 #45DE46

split-complementary

#4591DE #DE4645 #DEDE45

monochromatic

#19548F #2372C3 #4591DE #79B0E7 #ADCEF0

Accessibility & contrast

On white

3.30

#4591DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#4591DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591DE

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591DE	#FFFFFF	#000000	##000000
##4591DE	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F95E1

Deuteranopia (green-blind)

#5987DC

Tritanopia (blue-blind)

#00A3AD

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4591de;
/* rgb */ color: rgb(69, 145, 222);
/* oklch */ color: oklch(64.4% 0.138 251.1);

Tailwind

colors: {
  custom: {
    50: '#89b0e8',
    500: '#4591de',
    950: '#000000',
  },
}

SCSS

$custom: #4591de;
$custom-light: #89b0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4591de",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 222
  },
  "hsl": {
    "h": 210.196,
    "s": 69.863,
    "l": 57.059
  },
  "oklch": {
    "l": 0.64408,
    "c": 0.13819,
    "h": 251.1
  },
  "luminance": 0.2679
}

Semantic roles & 50–950 ramp

primary

#4591DE

secondary

#DFC0A0

accent

#943BED

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4591DE

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

Preview Lab → · Contrast checker → · Palette generator →