#4599E8#4599E8

#4599E8 is a light, vivid cyan. Relative luminance 0.299; OKLCH L 66.7% C 0.143 H 249.7°. Best body text is #000000 at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#4599E8
RGB	rgb(69, 153, 232)
HSL	hsl(209, 78%, 59%)
HSV	hsv(209, 70%, 91%)
CMYK	cmyk(70.3%, 34.1%, 0%, 9%)
CIE-LAB	lab(61.54, 0.06, -47.22)
CIE-LCH	lch(61.54, 47.22, 270.07°)
OKLab	oklab(66.74% -0.0497 -0.1341)
OKLCH	oklch(66.74% 0.143 249.7)
XYZ	xyz(28.4055, 29.8708, 80.5969)
Luminance	0.2987 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4599E8 #E89445

analogous

#45E8E6 #4599E8 #4548E8

triadic

#4599E8 #E84599 #99E845

tetradic

#4599E8 #E645E8 #E89445 #48E845

square

#4599E8 #E645E8 #E89445 #48E845

split-complementary

#4599E8 #E84548 #E8E645

monochromatic

#145B9F #1A7BD5 #4599E8 #7BB7EF #B2D5F5

Accessibility & contrast

On white

3.01

#4599E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.97

#4599E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4599E8

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4599E8	#FFFFFF	#000000	##000000
##4599E8	1.00	3.01	6.97	6.97
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.97	21.00	1.00	1.00
##000000	6.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#759DEB

Deuteranopia (green-blind)

#5E8EE6

Tritanopia (blue-blind)

#00ACB6

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #4599e8;
/* rgb */ color: rgb(69, 153, 232);
/* oklch */ color: oklch(66.7% 0.143 249.7);

Tailwind

colors: {
  custom: {
    50: '#8bb6ef',
    500: '#4599e8',
    950: '#000000',
  },
}

SCSS

$custom: #4599e8;
$custom-light: #8bb6ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4599e8",
  "rgb": {
    "r": 69,
    "g": 153,
    "b": 232
  },
  "hsl": {
    "h": 209.08,
    "s": 77.99,
    "l": 59.02
  },
  "oklch": {
    "l": 0.6674,
    "c": 0.14301,
    "h": 249.7
  },
  "luminance": 0.29874
}

Semantic roles & 50–950 ramp

primary

#4599E8

secondary

#E4C3A4

accent

#9133F4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4599E8

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

Preview Lab → · Contrast checker → · Palette generator →