#427EFF#427EFF

#427EFF is a light, highly saturated blue. Relative luminance 0.233; OKLCH L 62.4% C 0.202 H 263.1°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#427EFF
RGB	rgb(66, 126, 255)
HSL	hsl(221, 100%, 63%)
HSV	hsv(221, 74%, 100%)
CMYK	cmyk(74.1%, 50.6%, 0%, 0%)
CIE-LAB	lab(55.38, 24.05, -69.79)
CIE-LCH	lch(55.38, 73.82, 289.01°)
OKLab	oklab(62.36% -0.0244 -0.2008)
OKLCH	oklch(62.36% 0.202 263.1)
XYZ	xyz(27.7512, 23.2969, 97.6225)
Luminance	0.2330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EFF #FFC342

analogous

#42DDFF #427EFF #6442FF

triadic

#427EFF #FF427E #7EFF42

tetradic

#427EFF #FF42DD #FFC342 #42FF64

square

#427EFF #FF42DD #FFC342 #42FF64

split-complementary

#427EFF #FF6442 #DDFF42

monochromatic

#003FC7 #0554FF #427EFF #7FA8FF #BCD2FF

Accessibility & contrast

On white

3.71

#427EFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#427EFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EFF

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EFF	#FFFFFF	#000000	##000000
##427EFF	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A8EFF

Deuteranopia (green-blind)

#007CFC

Tritanopia (blue-blind)

#009DB3

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #427eff;
/* rgb */ color: rgb(66, 126, 255);
/* oklch */ color: oklch(62.4% 0.202 263.1);

Tailwind

colors: {
  custom: {
    50: '#8fa2ff',
    500: '#427eff',
    950: '#000000',
  },
}

SCSS

$custom: #427eff;
$custom-light: #8fa2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#427eff",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 255
  },
  "hsl": {
    "h": 220.952,
    "s": 100,
    "l": 62.941
  },
  "oklch": {
    "l": 0.62364,
    "c": 0.2023,
    "h": 263.1
  },
  "luminance": 0.233
}

Semantic roles & 50–950 ramp

primary

#427EFF

secondary

#F0DBAC

accent

#9D00E6

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0F18

muted

#7E7E86

Preview Lab

Preview with #427EFF

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

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