#4399CF#4399CF

#4399CF is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.4% C 0.115 H 239.5°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#4399CF
RGB	rgb(67, 153, 207)
HSL	hsl(203, 59%, 54%)
HSV	hsv(203, 68%, 81%)
CMYK	cmyk(67.6%, 26.1%, 0%, 18.8%)
CIE-LAB	lab(60.32, -8.75, -35.25)
CIE-LCH	lch(60.32, 36.32, 256.06°)
OKLab	oklab(65.38% -0.0584 -0.0993)
OKLCH	oklch(65.38% 0.115 239.5)
XYZ	xyz(24.9641, 28.4781, 63.2006)
Luminance	0.2848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4399CF #CF7943

analogous

#43CFBF #4399CF #4353CF

triadic

#4399CF #CF4399 #99CF43

tetradic

#4399CF #BF43CF #CF7943 #53CF43

square

#4399CF #BF43CF #CF7943 #53CF43

split-complementary

#4399CF #CF4353 #CFBF43

monochromatic

#1F5679 #2B79AA #4399CF #74B3DB #A5CEE8

Accessibility & contrast

On white

3.14

#4399CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#4399CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4399CF

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4399CF	#FFFFFF	#000000	##000000
##4399CF	1.00	3.14	6.70	6.70
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8099D1

Deuteranopia (green-blind)

#6D8BCE

Tritanopia (blue-blind)

#00A7AC

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4399cf;
/* rgb */ color: rgb(67, 153, 207);
/* oklch */ color: oklch(65.4% 0.115 239.5);

Tailwind

colors: {
  custom: {
    50: '#86b6de',
    500: '#4399cf',
    950: '#000000',
  },
}

SCSS

$custom: #4399cf;
$custom-light: #86b6de;
$custom-dark: #000000;

JSON

{
  "hex": "#4399cf",
  "rgb": {
    "r": 67,
    "g": 153,
    "b": 207
  },
  "hsl": {
    "h": 203.143,
    "s": 59.322,
    "l": 53.725
  },
  "oklch": {
    "l": 0.65375,
    "c": 0.11515,
    "h": 239.5
  },
  "luminance": 0.28481
}

Semantic roles & 50–950 ramp

primary

#4399CF

secondary

#D5B099

accent

#8245E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #4399CF

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

Preview Lab → · Contrast checker → · Palette generator →