#429CF0#429CF0

#429CF0 is a light, vivid cyan. Relative luminance 0.312; OKLCH L 67.7% C 0.151 H 249.8°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#429CF0
RGB	rgb(66, 156, 240)
HSL	hsl(209, 85%, 60%)
HSV	hsv(209, 73%, 94%)
CMYK	cmyk(72.5%, 35%, 0%, 5.9%)
CIE-LAB	lab(62.70, 0.69, -49.82)
CIE-LCH	lch(62.70, 49.82, 270.79°)
OKLab	oklab(67.75% -0.0522 -0.1416)
OKLCH	oklch(67.75% 0.151 249.8)
XYZ	xyz(29.8575, 31.2231, 86.8743)
Luminance	0.3123 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#429CF0 #F09642

analogous

#42F0ED #429CF0 #4245F0

triadic

#429CF0 #F0429C #9CF042

tetradic

#429CF0 #ED42F0 #F09642 #45F042

square

#429CF0 #ED42F0 #F09642 #45F042

split-complementary

#429CF0 #F04245 #F0ED42

monochromatic

#0E5EAA #127EE3 #429CF0 #7BBAF4 #B3D7F9

Accessibility & contrast

On white

2.90

#429CF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#429CF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #429CF0

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##429CF0	#FFFFFF	#000000	##000000
##429CF0	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)

#76A1F4

Deuteranopia (green-blind)

#5C90EE

Tritanopia (blue-blind)

#00B0BB

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #429cf0;
/* rgb */ color: rgb(66, 156, 240);
/* oklch */ color: oklch(67.7% 0.151 249.8);

Tailwind

colors: {
  custom: {
    50: '#8bb8f5',
    500: '#429cf0',
    950: '#000000',
  },
}

SCSS

$custom: #429cf0;
$custom-light: #8bb8f5;
$custom-dark: #000000;

JSON

{
  "hex": "#429cf0",
  "rgb": {
    "r": 66,
    "g": 156,
    "b": 240
  },
  "hsl": {
    "h": 208.966,
    "s": 85.294,
    "l": 60
  },
  "oklch": {
    "l": 0.67748,
    "c": 0.15096,
    "h": 249.8
  },
  "luminance": 0.31226
}

Semantic roles & 50–950 ramp

primary

#429CF0

secondary

#E8C6A5

accent

#902CFC

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #429CF0

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

Preview Lab → · Contrast checker → · Palette generator →