#4399BE#4399BE

#4399BE is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.6% C 0.099 H 229.4°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4399BE
RGB	rgb(67, 153, 190)
HSL	hsl(198, 49%, 50%)
HSV	hsv(198, 65%, 75%)
CMYK	cmyk(64.7%, 19.5%, 0%, 25.5%)
CIE-LAB	lab(59.61, -14.34, -26.81)
CIE-LCH	lch(59.61, 30.40, 241.86°)
OKLab	oklab(64.58% -0.0643 -0.075)
OKLCH	oklch(64.58% 0.099 229.4)
XYZ	xyz(22.9966, 27.6911, 52.8382)
Luminance	0.2769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4399BE #BE6843

analogous

#43BEA6 #4399BE #435BBE

triadic

#4399BE #BE4399 #99BE43

tetradic

#4399BE #A643BE #BE6843 #5BBE43

square

#4399BE #A643BE #BE6843 #5BBE43

split-complementary

#4399BE #BE435B #BEA643

monochromatic

#235064 #327591 #4399BE #70B2CE #9ECADD

Accessibility & contrast

On white

3.21

#4399BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#4399BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4399BE

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4399BE	#FFFFFF	#000000	##000000
##4399BE	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8697C0

Deuteranopia (green-blind)

#758ABE

Tritanopia (blue-blind)

#00A3A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #4399be;
/* rgb */ color: rgb(67, 153, 190);
/* oklch */ color: oklch(64.6% 0.099 229.4);

Tailwind

colors: {
  custom: {
    50: '#84b7d1',
    500: '#4399be',
    950: '#000000',
  },
}

SCSS

$custom: #4399be;
$custom-light: #84b7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4399be",
  "rgb": {
    "r": 67,
    "g": 153,
    "b": 190
  },
  "hsl": {
    "h": 198.049,
    "s": 48.617,
    "l": 50.392
  },
  "oklch": {
    "l": 0.64577,
    "c": 0.09874,
    "h": 229.4
  },
  "luminance": 0.27693
}

Semantic roles & 50–950 ramp

primary

#4399BE

secondary

#CAA393

accent

#7950D8

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #4399BE

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

Preview Lab → · Contrast checker → · Palette generator →