#4397E6#4397E6

#4397E6 is a light, vivid cyan. Relative luminance 0.290; OKLCH L 66.1% C 0.143 H 249.7°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#4397E6
RGB	rgb(67, 151, 230)
HSL	hsl(209, 77%, 58%)
HSV	hsv(209, 71%, 90%)
CMYK	cmyk(70.9%, 34.3%, 0%, 9.8%)
CIE-LAB	lab(60.81, 0.24, -47.27)
CIE-LCH	lch(60.81, 47.27, 270.29°)
OKLab	oklab(66.12% -0.0496 -0.1343)
OKLCH	oklch(66.12% 0.143 249.7)
XYZ	xyz(27.6589, 29.0366, 78.9945)
Luminance	0.2904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4397E6 #E69243

analogous

#43E6E4 #4397E6 #4345E6

triadic

#4397E6 #E64397 #97E643

tetradic

#4397E6 #E443E6 #E69243 #45E643

square

#4397E6 #E443E6 #E69243 #45E643

split-complementary

#4397E6 #E64345 #E6E443

monochromatic

#14599A #1C79D0 #4397E6 #79B5ED #AFD3F4

Accessibility & contrast

On white

3.08

#4397E6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#4397E6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4397E6

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4397E6	#FFFFFF	#000000	##000000
##4397E6	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)

#739BE9

Deuteranopia (green-blind)

#5C8CE4

Tritanopia (blue-blind)

#00AAB4

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #4397e6;
/* rgb */ color: rgb(67, 151, 230);
/* oklch */ color: oklch(66.1% 0.143 249.7);

Tailwind

colors: {
  custom: {
    50: '#8ab5ee',
    500: '#4397e6',
    950: '#000000',
  },
}

SCSS

$custom: #4397e6;
$custom-light: #8ab5ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4397e6",
  "rgb": {
    "r": 67,
    "g": 151,
    "b": 230
  },
  "hsl": {
    "h": 209.08,
    "s": 76.526,
    "l": 58.235
  },
  "oklch": {
    "l": 0.66118,
    "c": 0.14315,
    "h": 249.7
  },
  "luminance": 0.2904
}

Semantic roles & 50–950 ramp

primary

#4397E6

secondary

#E3C1A2

accent

#9135F3

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #4397E6

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

Preview Lab → · Contrast checker → · Palette generator →