#4399BC#4399BC

#4399BC is a light, moderate cyan. Relative luminance 0.276; OKLCH L 64.5% C 0.097 H 228.0°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#4399BC
RGB	rgb(67, 153, 188)
HSL	hsl(197, 47%, 50%)
HSV	hsv(197, 64%, 74%)
CMYK	cmyk(64.4%, 18.6%, 0%, 26.3%)
CIE-LAB	lab(59.53, -14.98, -25.80)
CIE-LCH	lch(59.53, 29.83, 239.86°)
OKLab	oklab(64.49% -0.065 -0.0721)
OKLCH	oklch(64.49% 0.097 228)
XYZ	xyz(22.7795, 27.6042, 51.6948)
Luminance	0.2761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4399BC #BC6643

analogous

#43BCA2 #4399BC #435DBC

triadic

#4399BC #BC4399 #99BC43

tetradic

#4399BC #A243BC #BC6643 #5DBC43

square

#4399BC #A243BC #BC6643 #5DBC43

split-complementary

#4399BC #BC435D #BCA243

monochromatic

#235062 #33748F #4399BC #70B1CC #9DCADC

Accessibility & contrast

On white

3.22

#4399BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#4399BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4399BC

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4399BC	#FFFFFF	#000000	##000000
##4399BC	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8796BE

Deuteranopia (green-blind)

#768ABC

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #4399bc;
/* rgb */ color: rgb(67, 153, 188);
/* oklch */ color: oklch(64.5% 0.097 228.0);

Tailwind

colors: {
  custom: {
    50: '#84b7d0',
    500: '#4399bc',
    950: '#000000',
  },
}

SCSS

$custom: #4399bc;
$custom-light: #84b7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4399bc",
  "rgb": {
    "r": 67,
    "g": 153,
    "b": 188
  },
  "hsl": {
    "h": 197.355,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.64487,
    "c": 0.09707,
    "h": 228
  },
  "luminance": 0.27607
}

Semantic roles & 50–950 ramp

primary

#4399BC

secondary

#C9A292

accent

#7851D7

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #4399BC

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

Preview Lab → · Contrast checker → · Palette generator →