#439CEF#439CEF

#439CEF is a light, vivid cyan. Relative luminance 0.312; OKLCH L 67.7% C 0.149 H 249.7°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#439CEF
RGB	rgb(67, 156, 239)
HSL	hsl(209, 84%, 60%)
HSV	hsv(209, 72%, 94%)
CMYK	cmyk(72%, 34.7%, 0%, 6.3%)
CIE-LAB	lab(62.68, 0.47, -49.30)
CIE-LCH	lch(62.68, 49.30, 270.55°)
OKLab	oklab(67.72% -0.0519 -0.1401)
OKLCH	oklch(67.72% 0.149 249.7)
XYZ	xyz(29.7773, 31.1989, 86.0973)
Luminance	0.3120 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439CEF #EF9643

analogous

#43EFEC #439CEF #4346EF

triadic

#439CEF #EF439C #9CEF43

tetradic

#439CEF #EC43EF #EF9643 #46EF43

square

#439CEF #EC43EF #EF9643 #46EF43

split-complementary

#439CEF #EF4346 #EFEC43

monochromatic

#0E5FA9 #137EE2 #439CEF #7BBAF4 #B4D7F9

Accessibility & contrast

On white

2.90

#439CEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.24

#439CEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #439CEF

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439CEF	#FFFFFF	#000000	##000000
##439CEF	1.00	2.90	7.24	7.24
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.24	21.00	1.00	1.00
##000000	7.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#76A0F2

Deuteranopia (green-blind)

#5D90ED

Tritanopia (blue-blind)

#00B0BA

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #439cef;
/* rgb */ color: rgb(67, 156, 239);
/* oklch */ color: oklch(67.7% 0.149 249.7);

Tailwind

colors: {
  custom: {
    50: '#8bb8f4',
    500: '#439cef',
    950: '#000000',
  },
}

SCSS

$custom: #439cef;
$custom-light: #8bb8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#439cef",
  "rgb": {
    "r": 67,
    "g": 156,
    "b": 239
  },
  "hsl": {
    "h": 208.953,
    "s": 84.314,
    "l": 60
  },
  "oklch": {
    "l": 0.67724,
    "c": 0.14941,
    "h": 249.7
  },
  "luminance": 0.31202
}

Semantic roles & 50–950 ramp

primary

#439CEF

secondary

#E8C6A6

accent

#902DFB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1117

muted

#7E8085

Preview Lab

Preview with #439CEF

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

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