#423EFF#423EFF

#423EFF is a mid, highly saturated blue. Relative luminance 0.118; OKLCH L 51.7% C 0.271 H 272.5°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#423EFF
RGB	rgb(66, 62, 255)
HSL	hsl(241, 100%, 62%)
HSV	hsv(241, 76%, 100%)
CMYK	cmyk(74.1%, 75.7%, 0%, 0%)
CIE-LAB	lab(40.93, 61.67, -93.43)
CIE-LCH	lch(40.93, 111.95, 303.43°)
OKLab	oklab(51.74% 0.012 -0.2704)
OKLCH	oklch(51.74% 0.271 272.5)
XYZ	xyz(22.0133, 11.8212, 95.7099)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423EFF #FBFF3E

analogous

#3E9AFF #423EFF #A33EFF

triadic

#423EFF #FF423E #3EFF42

tetradic

#423EFF #FF3E9A #FBFF3E #3EFFA3

square

#423EFF #FF3E9A #FBFF3E #3EFFA3

split-complementary

#423EFF #FFA33E #9AFF3E

monochromatic

#0400C3 #0601FF #423EFF #7E7BFF #BAB8FF

Accessibility & contrast

On white

6.24

#423EFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#423EFF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #423EFF

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EFF	#FFFFFF	#000000	##FFFFFF
##423EFF	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AFF

Deuteranopia (green-blind)

#0057FC

Tritanopia (blue-blind)

#00789D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #423eff;
/* rgb */ color: rgb(66, 62, 255);
/* oklch */ color: oklch(51.7% 0.271 272.5);

Tailwind

colors: {
  custom: {
    50: '#9377ff',
    500: '#423eff',
    950: '#000000',
  },
}

SCSS

$custom: #423eff;
$custom-light: #9377ff;
$custom-dark: #000000;

JSON

{
  "hex": "#423eff",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 255
  },
  "hsl": {
    "h": 241.244,
    "s": 100,
    "l": 62.157
  },
  "oklch": {
    "l": 0.51736,
    "c": 0.27066,
    "h": 272.5
  },
  "luminance": 0.11823
}

Semantic roles & 50–950 ramp

primary

#423EFF

secondary

#EEF0A9

accent

#E600E1

background

#FAF7FF

surface

#F4EDFF

border

#CEC8D7

text

#0F0918

muted

#7F7B86

Preview Lab

Preview with #423EFF

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

Preview Lab → · Contrast checker → · Palette generator →