#4591F0#4591F0

#4591F0 is a light, vivid cyan. Relative luminance 0.278; OKLCH L 65.4% C 0.161 H 255.4°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#4591F0
RGB	rgb(69, 145, 240)
HSL	hsl(213, 85%, 61%)
HSV	hsv(213, 71%, 94%)
CMYK	cmyk(71.3%, 39.6%, 0%, 5.9%)
CIE-LAB	lab(59.71, 7.54, -54.55)
CIE-LCH	lch(59.71, 55.07, 277.87°)
OKLab	oklab(65.44% -0.0405 -0.1556)
OKLCH	oklch(65.44% 0.161 255.4)
XYZ	xyz(28.3020, 27.8042, 86.2963)
Luminance	0.2781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4591F0 #F0A445

analogous

#45E7F0 #4591F0 #4E45F0

triadic

#4591F0 #F04591 #91F045

tetradic

#4591F0 #F045E7 #F0A445 #45F04E

square

#4591F0 #F045E7 #F0A445 #45F04E

split-complementary

#4591F0 #F04E45 #E7F045

monochromatic

#0E54AD #1270E5 #4591F0 #7EB2F5 #B6D4F9

Accessibility & contrast

On white

3.20

#4591F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#4591F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4591F0

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4591F0	#FFFFFF	#000000	##000000
##4591F0	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6498F4

Deuteranopia (green-blind)

#4989EE

Tritanopia (blue-blind)

#00A7B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4591f0;
/* rgb */ color: rgb(69, 145, 240);
/* oklch */ color: oklch(65.4% 0.161 255.4);

Tailwind

colors: {
  custom: {
    50: '#8cb0f5',
    500: '#4591f0',
    950: '#000000',
  },
}

SCSS

$custom: #4591f0;
$custom-light: #8cb0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4591f0",
  "rgb": {
    "r": 69,
    "g": 145,
    "b": 240
  },
  "hsl": {
    "h": 213.333,
    "s": 85.075,
    "l": 60.588
  },
  "oklch": {
    "l": 0.65443,
    "c": 0.16082,
    "h": 255.4
  },
  "luminance": 0.27807
}

Semantic roles & 50–950 ramp

primary

#4591F0

secondary

#E9CCA8

accent

#7F04E2

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4591F0

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

Preview Lab → · Contrast checker → · Palette generator →