#439DB1#439DB1

#439DB1 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.0% C 0.090 H 214.7°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#439DB1
RGB	rgb(67, 157, 177)
HSL	hsl(191, 45%, 48%)
HSV	hsv(191, 62%, 69%)
CMYK	cmyk(62.1%, 11.3%, 0%, 30.6%)
CIE-LAB	lab(60.32, -20.56, -18.39)
CIE-LCH	lch(60.32, 27.58, 221.81°)
OKLab	oklab(64.98% -0.0736 -0.051)
OKLCH	oklch(64.98% 0.09 214.7)
XYZ	xyz(22.3043, 28.4793, 45.9080)
Luminance	0.2848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439DB1 #B15743

analogous

#43B18E #439DB1 #4366B1

triadic

#439DB1 #B1439D #9DB143

tetradic

#439DB1 #8E43B1 #B15743 #66B143

square

#439DB1 #8E43B1 #B15743 #66B143

split-complementary

#439DB1 #B14366 #B18E43

monochromatic

#214E58 #327685 #439DB1 #6AB6C7 #97CCD8

Accessibility & contrast

On white

3.14

#439DB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#439DB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439DB1

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439DB1	#FFFFFF	#000000	##000000
##439DB1	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)

#8F98B2

Deuteranopia (green-blind)

#7F8CB1

Tritanopia (blue-blind)

#00A5A3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #439db1;
/* rgb */ color: rgb(67, 157, 177);
/* oklch */ color: oklch(65.0% 0.090 214.7);

Tailwind

colors: {
  custom: {
    50: '#83bac8',
    500: '#439db1',
    950: '#000000',
  },
}

SCSS

$custom: #439db1;
$custom-light: #83bac8;
$custom-dark: #000000;

JSON

{
  "hex": "#439db1",
  "rgb": {
    "r": 67,
    "g": 157,
    "b": 177
  },
  "hsl": {
    "h": 190.909,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.64983,
    "c": 0.08956,
    "h": 214.7
  },
  "luminance": 0.28482
}

Semantic roles & 50–950 ramp

primary

#439DB1

secondary

#C3968C

accent

#6B53D5

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #439DB1

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

Preview Lab → · Contrast checker → · Palette generator →