#439CB0#439CB0

#439CB0 is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.7% C 0.089 H 214.9°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#439CB0
RGB	rgb(67, 156, 176)
HSL	hsl(191, 45%, 48%)
HSV	hsv(191, 62%, 69%)
CMYK	cmyk(61.9%, 11.4%, 0%, 31%)
CIE-LAB	lab(59.98, -20.34, -18.34)
CIE-LCH	lch(59.98, 27.38, 222.03°)
OKLab	oklab(64.7% -0.0729 -0.0509)
OKLCH	oklch(64.7% 0.089 214.9)
XYZ	xyz(22.0365, 28.1025, 45.3289)
Luminance	0.2811 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439CB0 #B05743

analogous

#43B08D #439CB0 #4366B0

triadic

#439CB0 #B0439C #9CB043

tetradic

#439CB0 #8D43B0 #B05743 #66B043

square

#439CB0 #8D43B0 #B05743 #66B043

split-complementary

#439CB0 #B04366 #B08D43

monochromatic

#214D57 #327584 #439CB0 #6AB5C6 #96CBD7

Accessibility & contrast

On white

3.17

#439CB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#439CB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439CB0

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439CB0	#FFFFFF	#000000	##000000
##439CB0	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E97B1

Deuteranopia (green-blind)

#7E8BB0

Tritanopia (blue-blind)

#00A4A2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #439cb0;
/* rgb */ color: rgb(67, 156, 176);
/* oklch */ color: oklch(64.7% 0.089 214.9);

Tailwind

colors: {
  custom: {
    50: '#83b9c7',
    500: '#439cb0',
    950: '#000000',
  },
}

SCSS

$custom: #439cb0;
$custom-light: #83b9c7;
$custom-dark: #000000;

JSON

{
  "hex": "#439cb0",
  "rgb": {
    "r": 67,
    "g": 156,
    "b": 176
  },
  "hsl": {
    "h": 191.009,
    "s": 44.856,
    "l": 47.647
  },
  "oklch": {
    "l": 0.647,
    "c": 0.08893,
    "h": 214.9
  },
  "luminance": 0.28105
}

Semantic roles & 50–950 ramp

primary

#439CB0

secondary

#C3968C

accent

#6B53D5

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #439CB0

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

Preview Lab → · Contrast checker → · Palette generator →