#4599D9#4599D9

#4599D9 is a light, vivid cyan. Relative luminance 0.291; OKLCH L 65.9% C 0.125 H 244.5°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#4599D9
RGB	rgb(69, 153, 217)
HSL	hsl(206, 66%, 56%)
HSV	hsv(206, 68%, 85%)
CMYK	cmyk(68.2%, 29.5%, 0%, 14.9%)
CIE-LAB	lab(60.83, -5.08, -40.03)
CIE-LCH	lch(60.83, 40.35, 262.77°)
OKLab	oklab(65.94% -0.054 -0.1131)
OKLCH	oklch(65.94% 0.125 244.5)
XYZ	xyz(26.3651, 29.0546, 69.8508)
Luminance	0.2906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4599D9 #D98545

analogous

#45D9CF #4599D9 #454FD9

triadic

#4599D9 #D94599 #99D945

tetradic

#4599D9 #CF45D9 #D98545 #4FD945

square

#4599D9 #CF45D9 #D98545 #4FD945

split-complementary

#4599D9 #D9454F #D9CF45

monochromatic

#1C5988 #267ABB #4599D9 #78B5E3 #ABD1EE

Accessibility & contrast

On white

3.08

#4599D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#4599D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4599D9

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4599D9	#FFFFFF	#000000	##000000
##4599D9	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9BDC

Deuteranopia (green-blind)

#688CD8

Tritanopia (blue-blind)

#00A9AF

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #4599d9;
/* rgb */ color: rgb(69, 153, 217);
/* oklch */ color: oklch(65.9% 0.125 244.5);

Tailwind

colors: {
  custom: {
    50: '#89b6e5',
    500: '#4599d9',
    950: '#000000',
  },
}

SCSS

$custom: #4599d9;
$custom-light: #89b6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4599d9",
  "rgb": {
    "r": 69,
    "g": 153,
    "b": 217
  },
  "hsl": {
    "h": 205.946,
    "s": 66.071,
    "l": 56.078
  },
  "oklch": {
    "l": 0.65945,
    "c": 0.12532,
    "h": 244.5
  },
  "luminance": 0.29057
}

Semantic roles & 50–950 ramp

primary

#4599D9

secondary

#DBB99E

accent

#883FE9

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1115

muted

#7E8084

Preview Lab

Preview with #4599D9

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

Preview Lab → · Contrast checker → · Palette generator →