#4399D6#4399D6

#4399D6 is a light, vivid cyan. Relative luminance 0.288; OKLCH L 65.7% C 0.123 H 242.8°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#4399D6
RGB	rgb(67, 153, 214)
HSL	hsl(205, 64%, 55%)
HSV	hsv(205, 69%, 84%)
CMYK	cmyk(68.7%, 28.5%, 0%, 16.1%)
CIE-LAB	lab(60.63, -6.40, -38.67)
CIE-LCH	lch(60.63, 39.20, 260.61°)
OKLab	oklab(65.72% -0.0561 -0.1092)
OKLCH	oklch(65.72% 0.123 242.8)
XYZ	xyz(25.8389, 28.8280, 67.8079)
Luminance	0.2883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4399D6 #D68043

analogous

#43D6C9 #4399D6 #434FD6

triadic

#4399D6 #D64399 #99D643

tetradic

#4399D6 #C943D6 #D68043 #4FD643

square

#4399D6 #C943D6 #D68043 #4FD643

split-complementary

#4399D6 #D6434F #D6C943

monochromatic

#1C5882 #277AB4 #4399D6 #75B4E1 #A7D0EC

Accessibility & contrast

On white

3.10

#4399D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#4399D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4399D6

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4399D6	#FFFFFF	#000000	##000000
##4399D6	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9AD9

Deuteranopia (green-blind)

#698CD5

Tritanopia (blue-blind)

#00A8AE

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4399d6;
/* rgb */ color: rgb(67, 153, 214);
/* oklch */ color: oklch(65.7% 0.123 242.8);

Tailwind

colors: {
  custom: {
    50: '#87b6e3',
    500: '#4399d6',
    950: '#000000',
  },
}

SCSS

$custom: #4399d6;
$custom-light: #87b6e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4399d6",
  "rgb": {
    "r": 67,
    "g": 153,
    "b": 214
  },
  "hsl": {
    "h": 204.898,
    "s": 64.192,
    "l": 55.098
  },
  "oklch": {
    "l": 0.65724,
    "c": 0.12277,
    "h": 242.8
  },
  "luminance": 0.28831
}

Semantic roles & 50–950 ramp

primary

#4399D6

secondary

#D9B59C

accent

#8641E7

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1115

muted

#7D8083

Preview Lab

Preview with #4399D6

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

Preview Lab → · Contrast checker → · Palette generator →