#4399CB#4399CB

#4399CB is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.2% C 0.111 H 237.5°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4399CB
RGB	rgb(67, 153, 203)
HSL	hsl(202, 57%, 53%)
HSV	hsv(202, 67%, 80%)
CMYK	cmyk(67%, 24.6%, 0%, 20.4%)
CIE-LAB	lab(60.15, -10.08, -33.28)
CIE-LCH	lch(60.15, 34.77, 253.14°)
OKLab	oklab(65.18% -0.0597 -0.0936)
OKLCH	oklch(65.18% 0.111 237.5)
XYZ	xyz(24.4813, 28.2849, 60.6577)
Luminance	0.2829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4399CB #CB7543

analogous

#43CBB9 #4399CB #4355CB

triadic

#4399CB #CB4399 #99CB43

tetradic

#4399CB #B943CB #CB7543 #55CB43

square

#4399CB #B943CB #CB7543 #55CB43

split-complementary

#4399CB #CB4355 #CBB943

monochromatic

#205574 #2D78A4 #4399CB #73B3D8 #A3CDE6

Accessibility & contrast

On white

3.15

#4399CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#4399CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4399CB

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4399CB	#FFFFFF	#000000	##000000
##4399CB	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8298CD

Deuteranopia (green-blind)

#6F8BCA

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4399cb;
/* rgb */ color: rgb(67, 153, 203);
/* oklch */ color: oklch(65.2% 0.111 237.5);

Tailwind

colors: {
  custom: {
    50: '#86b7db',
    500: '#4399cb',
    950: '#000000',
  },
}

SCSS

$custom: #4399cb;
$custom-light: #86b7db;
$custom-dark: #000000;

JSON

{
  "hex": "#4399cb",
  "rgb": {
    "r": 67,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 202.059,
    "s": 56.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.65181,
    "c": 0.111,
    "h": 237.5
  },
  "luminance": 0.28288
}

Semantic roles & 50–950 ramp

primary

#4399CB

secondary

#D2AD98

accent

#8048E0

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #4399CB

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

Preview Lab → · Contrast checker → · Palette generator →