#4599E3#4599E3

#4599E3 is a light, vivid cyan. Relative luminance 0.296; OKLCH L 66.5% C 0.137 H 248.1°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#4599E3
RGB	rgb(69, 153, 227)
HSL	hsl(208, 74%, 58%)
HSV	hsv(208, 70%, 89%)
CMYK	cmyk(69.6%, 32.6%, 0%, 11%)
CIE-LAB	lab(61.30, -1.67, -44.84)
CIE-LCH	lch(61.30, 44.87, 267.87°)
OKLab	oklab(66.47% -0.0511 -0.1271)
OKLCH	oklch(66.47% 0.137 248.1)
XYZ	xyz(27.7054, 29.5907, 76.9096)
Luminance	0.2959 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4599E3 #E38F45

analogous

#45E3DE #4599E3 #454AE3

triadic

#4599E3 #E34599 #99E345

tetradic

#4599E3 #DE45E3 #E38F45 #4AE345

square

#4599E3 #DE45E3 #E38F45 #4AE345

split-complementary

#4599E3 #E3454A #E3DE45

monochromatic

#175B97 #1F7BCC #4599E3 #7AB6EB #AFD3F3

Accessibility & contrast

On white

3.04

#4599E3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#4599E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4599E3

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4599E3	#FFFFFF	#000000	##000000
##4599E3	1.00	3.04	6.92	6.92
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#789CE6

Deuteranopia (green-blind)

#628DE2

Tritanopia (blue-blind)

#00ABB4

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4599e3;
/* rgb */ color: rgb(69, 153, 227);
/* oklch */ color: oklch(66.5% 0.137 248.1);

Tailwind

colors: {
  custom: {
    50: '#8ab6ec',
    500: '#4599e3',
    950: '#000000',
  },
}

SCSS

$custom: #4599e3;
$custom-light: #8ab6ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4599e3",
  "rgb": {
    "r": 69,
    "g": 153,
    "b": 227
  },
  "hsl": {
    "h": 208.101,
    "s": 73.832,
    "l": 58.039
  },
  "oklch": {
    "l": 0.66469,
    "c": 0.137,
    "h": 248.1
  },
  "luminance": 0.29594
}

Semantic roles & 50–950 ramp

primary

#4599E3

secondary

#E1C0A2

accent

#8E37F0

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4599E3

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

Preview Lab → · Contrast checker → · Palette generator →