#429EF0#429EF0

#429EF0 is a light, vivid cyan. Relative luminance 0.319; OKLCH L 68.2% C 0.149 H 248.8°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#429EF0
RGB	rgb(66, 158, 240)
HSL	hsl(208, 85%, 60%)
HSV	hsv(208, 73%, 94%)
CMYK	cmyk(72.5%, 34.2%, 0%, 5.9%)
CIE-LAB	lab(63.26, -0.47, -48.92)
CIE-LCH	lch(63.26, 48.93, 269.45°)
OKLab	oklab(68.19% -0.054 -0.139)
OKLCH	oklch(68.19% 0.149 248.8)
XYZ	xyz(30.1958, 31.8998, 86.9871)
Luminance	0.3190 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#429EF0 #F09442

analogous

#42F0EB #429EF0 #4247F0

triadic

#429EF0 #F0429E #9EF042

tetradic

#429EF0 #EB42F0 #F09442 #47F042

square

#429EF0 #EB42F0 #F09442 #47F042

split-complementary

#429EF0 #F04247 #F0EB42

monochromatic

#0E60AA #1280E3 #429EF0 #7BBBF4 #B3D8F9

Accessibility & contrast

On white

2.85

#429EF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.38

#429EF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #429EF0

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##429EF0	#FFFFFF	#000000	##000000
##429EF0	1.00	2.85	7.38	7.38
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.38	21.00	1.00	1.00
##000000	7.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#79A2F3

Deuteranopia (green-blind)

#5F92EE

Tritanopia (blue-blind)

#00B2BC

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #429ef0;
/* rgb */ color: rgb(66, 158, 240);
/* oklch */ color: oklch(68.2% 0.149 248.8);

Tailwind

colors: {
  custom: {
    50: '#8bbaf5',
    500: '#429ef0',
    950: '#000000',
  },
}

SCSS

$custom: #429ef0;
$custom-light: #8bbaf5;
$custom-dark: #000000;

JSON

{
  "hex": "#429ef0",
  "rgb": {
    "r": 66,
    "g": 158,
    "b": 240
  },
  "hsl": {
    "h": 208.276,
    "s": 85.294,
    "l": 60
  },
  "oklch": {
    "l": 0.68192,
    "c": 0.14913,
    "h": 248.8
  },
  "luminance": 0.31903
}

Semantic roles & 50–950 ramp

primary

#429EF0

secondary

#E8C5A5

accent

#8E2CFC

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #429EF0

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

Preview Lab → · Contrast checker → · Palette generator →