#439CB1#439CB1

#439CB1 is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.7% C 0.089 H 215.8°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#439CB1
RGB	rgb(67, 156, 177)
HSL	hsl(191, 45%, 48%)
HSV	hsv(191, 62%, 69%)
CMYK	cmyk(62.1%, 11.9%, 0%, 30.6%)
CIE-LAB	lab(60.02, -20.03, -18.85)
CIE-LCH	lch(60.02, 27.51, 223.25°)
OKLab	oklab(64.74% -0.0725 -0.0523)
OKLCH	oklch(64.74% 0.089 215.8)
XYZ	xyz(22.1358, 28.1423, 45.8519)
Luminance	0.2814 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439CB1 #B15843

analogous

#43B18F #439CB1 #4365B1

triadic

#439CB1 #B1439C #9CB143

tetradic

#439CB1 #8F43B1 #B15843 #65B143

square

#439CB1 #8F43B1 #B15843 #65B143

split-complementary

#439CB1 #B14365 #B18F43

monochromatic

#214E58 #327585 #439CB1 #6AB5C7 #97CBD8

Accessibility & contrast

On white

3.17

#439CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#439CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439CB1

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439CB1	#FFFFFF	#000000	##000000
##439CB1	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D97B2

Deuteranopia (green-blind)

#7D8BB1

Tritanopia (blue-blind)

#00A4A2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #439cb1;
/* rgb */ color: rgb(67, 156, 177);
/* oklch */ color: oklch(64.7% 0.089 215.8);

Tailwind

colors: {
  custom: {
    50: '#83b9c8',
    500: '#439cb1',
    950: '#000000',
  },
}

SCSS

$custom: #439cb1;
$custom-light: #83b9c8;
$custom-dark: #000000;

JSON

{
  "hex": "#439cb1",
  "rgb": {
    "r": 67,
    "g": 156,
    "b": 177
  },
  "hsl": {
    "h": 191.455,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.6474,
    "c": 0.08942,
    "h": 215.8
  },
  "luminance": 0.28145
}

Semantic roles & 50–950 ramp

primary

#439CB1

secondary

#C3978C

accent

#6C53D5

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #439CB1

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

Preview Lab → · Contrast checker → · Palette generator →