#439EB3#439EB3

#439EB3 is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.3% C 0.091 H 215.5°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#439EB3
RGB	rgb(67, 158, 179)
HSL	hsl(191, 46%, 48%)
HSV	hsv(191, 63%, 70%)
CMYK	cmyk(62.6%, 11.7%, 0%, 29.8%)
CIE-LAB	lab(60.69, -20.47, -18.95)
CIE-LCH	lch(60.69, 27.89, 222.79°)
OKLab	oklab(65.31% -0.0739 -0.0526)
OKLCH	oklch(65.31% 0.091 215.5)
XYZ	xyz(22.6750, 28.8993, 47.0222)
Luminance	0.2890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439EB3 #B35843

analogous

#43B390 #439EB3 #4366B3

triadic

#439EB3 #B3439E #9EB343

tetradic

#439EB3 #9043B3 #B35843 #66B343

square

#439EB3 #9043B3 #B35843 #66B343

split-complementary

#439EB3 #B34366 #B39043

monochromatic

#224F5A #327786 #439EB3 #6BB6C8 #98CCD8

Accessibility & contrast

On white

3.10

#439EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#439EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439EB3

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439EB3	#FFFFFF	#000000	##000000
##439EB3	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F99B4

Deuteranopia (green-blind)

#7F8DB3

Tritanopia (blue-blind)

#00A6A4

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #439eb3;
/* rgb */ color: rgb(67, 158, 179);
/* oklch */ color: oklch(65.3% 0.091 215.5);

Tailwind

colors: {
  custom: {
    50: '#83bac9',
    500: '#439eb3',
    950: '#000000',
  },
}

SCSS

$custom: #439eb3;
$custom-light: #83bac9;
$custom-dark: #000000;

JSON

{
  "hex": "#439eb3",
  "rgb": {
    "r": 67,
    "g": 158,
    "b": 179
  },
  "hsl": {
    "h": 191.25,
    "s": 45.528,
    "l": 48.235
  },
  "oklch": {
    "l": 0.65306,
    "c": 0.09069,
    "h": 215.5
  },
  "luminance": 0.28902
}

Semantic roles & 50–950 ramp

primary

#439EB3

secondary

#C4988D

accent

#6B53D5

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #439EB3

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

Preview Lab → · Contrast checker → · Palette generator →