#439BD5#439BD5

#439BD5 is a light, vivid cyan. Relative luminance 0.294; OKLCH L 66.1% C 0.120 H 240.9°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#439BD5
RGB	rgb(67, 155, 213)
HSL	hsl(204, 63%, 55%)
HSV	hsv(204, 69%, 84%)
CMYK	cmyk(68.5%, 27.2%, 0%, 16.5%)
CIE-LAB	lab(61.17, -7.86, -37.28)
CIE-LCH	lch(61.17, 38.10, 258.09°)
OKLab	oklab(66.13% -0.0584 -0.1051)
OKLCH	oklch(66.13% 0.12 240.9)
XYZ	xyz(26.0417, 29.4373, 67.2474)
Luminance	0.2944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439BD5 #D57D43

analogous

#43D5C6 #439BD5 #4352D5

triadic

#439BD5 #D5439B #9BD543

tetradic

#439BD5 #C643D5 #D57D43 #52D543

square

#439BD5 #C643D5 #D57D43 #52D543

split-complementary

#439BD5 #D54352 #D5C643

monochromatic

#1D5981 #287CB3 #439BD5 #75B6E0 #A7D0EB

Accessibility & contrast

On white

3.05

#439BD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#439BD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439BD5

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439BD5	#FFFFFF	#000000	##000000
##439BD5	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809CD8

Deuteranopia (green-blind)

#6C8DD4

Tritanopia (blue-blind)

#00A9AF

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #439bd5;
/* rgb */ color: rgb(67, 155, 213);
/* oklch */ color: oklch(66.1% 0.120 240.9);

Tailwind

colors: {
  custom: {
    50: '#87b8e2',
    500: '#439bd5',
    950: '#000000',
  },
}

SCSS

$custom: #439bd5;
$custom-light: #87b8e2;
$custom-dark: #000000;

JSON

{
  "hex": "#439bd5",
  "rgb": {
    "r": 67,
    "g": 155,
    "b": 213
  },
  "hsl": {
    "h": 203.836,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.66133,
    "c": 0.12026,
    "h": 240.9
  },
  "luminance": 0.2944
}

Semantic roles & 50–950 ramp

primary

#439BD5

secondary

#D9B49B

accent

#8341E7

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0D1115

muted

#7D8083

Preview Lab

Preview with #439BD5

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

Preview Lab → · Contrast checker → · Palette generator →