#439FDE#439FDE

#439FDE is a light, vivid cyan. Relative luminance 0.313; OKLCH L 67.5% C 0.127 H 242.1°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#439FDE
RGB	rgb(67, 159, 222)
HSL	hsl(204, 70%, 57%)
HSV	hsv(204, 70%, 87%)
CMYK	cmyk(69.8%, 28.4%, 0%, 12.9%)
CIE-LAB	lab(62.73, -7.07, -39.83)
CIE-LCH	lch(62.73, 40.46, 259.93°)
OKLab	oklab(67.5% -0.0595 -0.1125)
OKLCH	oklch(67.5% 0.127 242.1)
XYZ	xyz(27.8926, 31.2604, 73.6569)
Luminance	0.3126 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439FDE #DE8243

analogous

#43DED0 #439FDE #4352DE

triadic

#439FDE #DE439F #9FDE43

tetradic

#439FDE #D043DE #DE8243 #52DE43

square

#439FDE #D043DE #DE8243 #52DE43

split-complementary

#439FDE #DE4352 #DED043

monochromatic

#195E8E #2281C2 #439FDE #77BAE7 #ABD4F0

Accessibility & contrast

On white

2.90

#439FDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#439FDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #439FDE

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439FDE	#FFFFFF	#000000	##000000
##439FDE	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82A0E1

Deuteranopia (green-blind)

#6D91DD

Tritanopia (blue-blind)

#00AFB5

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #439fde;
/* rgb */ color: rgb(67, 159, 222);
/* oklch */ color: oklch(67.5% 0.127 242.1);

Tailwind

colors: {
  custom: {
    50: '#89bbe8',
    500: '#439fde',
    950: '#000000',
  },
}

SCSS

$custom: #439fde;
$custom-light: #89bbe8;
$custom-dark: #000000;

JSON

{
  "hex": "#439fde",
  "rgb": {
    "r": 67,
    "g": 159,
    "b": 222
  },
  "hsl": {
    "h": 204.387,
    "s": 70.136,
    "l": 56.667
  },
  "oklch": {
    "l": 0.67501,
    "c": 0.12727,
    "h": 242.1
  },
  "luminance": 0.31263
}

Semantic roles & 50–950 ramp

primary

#439FDE

secondary

#DEB89F

accent

#833BED

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #439FDE

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

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