#429AEF#429AEF

#429AEF is a light, vivid cyan. Relative luminance 0.305; OKLCH L 67.3% C 0.152 H 250.5°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#429AEF
RGB	rgb(66, 154, 239)
HSL	hsl(209, 84%, 60%)
HSV	hsv(209, 72%, 94%)
CMYK	cmyk(72.4%, 35.6%, 0%, 6.3%)
CIE-LAB	lab(62.08, 1.50, -50.24)
CIE-LCH	lch(62.08, 50.26, 271.71°)
OKLab	oklab(67.25% -0.0506 -0.1429)
OKLCH	oklch(67.25% 0.152 250.5)
XYZ	xyz(29.3765, 30.4981, 85.9831)
Luminance	0.3050 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#429AEF #EF9742

analogous

#42EFEE #429AEF #4243EF

triadic

#429AEF #EF429A #9AEF42

tetradic

#429AEF #EE42EF #EF9742 #43EF42

square

#429AEF #EE42EF #EF9742 #43EF42

split-complementary

#429AEF #EF4243 #EFEE42

monochromatic

#0E5DA8 #137CE1 #429AEF #7AB8F4 #B3D6F9

Accessibility & contrast

On white

2.96

#429AEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#429AEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #429AEF

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##429AEF	#FFFFFF	#000000	##000000
##429AEF	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#739FF3

Deuteranopia (green-blind)

#5A8FED

Tritanopia (blue-blind)

#00AEB9

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #429aef;
/* rgb */ color: rgb(66, 154, 239);
/* oklch */ color: oklch(67.3% 0.152 250.5);

Tailwind

colors: {
  custom: {
    50: '#8bb7f4',
    500: '#429aef',
    950: '#000000',
  },
}

SCSS

$custom: #429aef;
$custom-light: #8bb7f4;
$custom-dark: #000000;

JSON

{
  "hex": "#429aef",
  "rgb": {
    "r": 66,
    "g": 154,
    "b": 239
  },
  "hsl": {
    "h": 209.48,
    "s": 84.39,
    "l": 59.804
  },
  "oklch": {
    "l": 0.67251,
    "c": 0.15161,
    "h": 250.5
  },
  "luminance": 0.30501
}

Semantic roles & 50–950 ramp

primary

#429AEF

secondary

#E8C6A5

accent

#922DFB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0D1117

muted

#7E8085

Preview Lab

Preview with #429AEF

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

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