#439FEF#439FEF

#439FEF is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.4% C 0.147 H 248.1°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#439FEF
RGB	rgb(67, 159, 239)
HSL	hsl(208, 84%, 60%)
HSV	hsv(208, 72%, 94%)
CMYK	cmyk(72%, 33.5%, 0%, 6.3%)
CIE-LAB	lab(63.52, -1.26, -47.96)
CIE-LCH	lch(63.52, 47.97, 268.50°)
OKLab	oklab(68.39% -0.0546 -0.1362)
OKLCH	oklch(68.39% 0.147 248.1)
XYZ	xyz(30.2870, 32.2182, 86.2671)
Luminance	0.3222 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439FEF #EF9343

analogous

#43EFE9 #439FEF #4349EF

triadic

#439FEF #EF439F #9FEF43

tetradic

#439FEF #E943EF #EF9343 #49EF43

square

#439FEF #E943EF #EF9343 #49EF43

split-complementary

#439FEF #EF4349 #EFE943

monochromatic

#0E61A9 #1382E2 #439FEF #7BBCF4 #B4D9F9

Accessibility & contrast

On white

2.82

#439FEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#439FEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #439FEF

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439FEF	#FFFFFF	#000000	##000000
##439FEF	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7BA3F2

Deuteranopia (green-blind)

#6293ED

Tritanopia (blue-blind)

#00B2BC

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #439fef;
/* rgb */ color: rgb(67, 159, 239);
/* oklch */ color: oklch(68.4% 0.147 248.1);

Tailwind

colors: {
  custom: {
    50: '#8bbbf4',
    500: '#439fef',
    950: '#000000',
  },
}

SCSS

$custom: #439fef;
$custom-light: #8bbbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#439fef",
  "rgb": {
    "r": 67,
    "g": 159,
    "b": 239
  },
  "hsl": {
    "h": 207.907,
    "s": 84.314,
    "l": 60
  },
  "oklch": {
    "l": 0.6839,
    "c": 0.1467,
    "h": 248.1
  },
  "luminance": 0.32222
}

Semantic roles & 50–950 ramp

primary

#439FEF

secondary

#E8C5A6

accent

#8D2DFB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #439FEF

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

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