#4399D5#4399D5

#4399D5 is a light, vivid cyan. Relative luminance 0.288; OKLCH L 65.7% C 0.122 H 242.4°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#4399D5
RGB	rgb(67, 153, 213)
HSL	hsl(205, 63%, 55%)
HSV	hsv(205, 69%, 84%)
CMYK	cmyk(68.5%, 28.2%, 0%, 16.5%)
CIE-LAB	lab(60.58, -6.73, -38.19)
CIE-LCH	lch(60.58, 38.78, 260.00°)
OKLab	oklab(65.67% -0.0564 -0.1078)
OKLCH	oklch(65.67% 0.122 242.4)
XYZ	xyz(25.7116, 28.7771, 67.1374)
Luminance	0.2878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4399D5 #D57F43

analogous

#43D5C8 #4399D5 #4350D5

triadic

#4399D5 #D54399 #99D543

tetradic

#4399D5 #C843D5 #D57F43 #50D543

square

#4399D5 #C843D5 #D57F43 #50D543

split-complementary

#4399D5 #D54350 #D5C843

monochromatic

#1D5881 #287AB3 #4399D5 #75B4E0 #A7CFEB

Accessibility & contrast

On white

3.11

#4399D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#4399D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4399D5

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4399D5	#FFFFFF	#000000	##000000
##4399D5	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9AD8

Deuteranopia (green-blind)

#6A8CD4

Tritanopia (blue-blind)

#00A8AE

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4399d5;
/* rgb */ color: rgb(67, 153, 213);
/* oklch */ color: oklch(65.7% 0.122 242.4);

Tailwind

colors: {
  custom: {
    50: '#87b6e2',
    500: '#4399d5',
    950: '#000000',
  },
}

SCSS

$custom: #4399d5;
$custom-light: #87b6e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4399d5",
  "rgb": {
    "r": 67,
    "g": 153,
    "b": 213
  },
  "hsl": {
    "h": 204.658,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.65673,
    "c": 0.12166,
    "h": 242.4
  },
  "luminance": 0.2878
}

Semantic roles & 50–950 ramp

primary

#4399D5

secondary

#D9B49B

accent

#8541E7

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1115

muted

#7D8083

Preview Lab

Preview with #4399D5

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

Preview Lab → · Contrast checker → · Palette generator →