#423FCE#423FCE

#423FCE is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.0% C 0.212 H 275.4°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#423FCE
RGB	rgb(66, 63, 206)
HSL	hsl(241, 59%, 53%)
HSV	hsv(241, 69%, 81%)
CMYK	cmyk(68%, 69.4%, 0%, 19.2%)
CIE-LAB	lab(36.31, 45.71, -73.19)
CIE-LCH	lch(36.31, 86.29, 301.99°)
OKLab	oklab(47.02% 0.02 -0.2115)
OKLCH	oklch(47.02% 0.212 275.4)
XYZ	xyz(15.1612, 9.1681, 59.3512)
Luminance	0.0917 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423FCE #CBCE3F

analogous

#3F83CE #423FCE #8A3FCE

triadic

#423FCE #CE423F #3FCE42

tetradic

#423FCE #CE3F83 #CBCE3F #3FCE8A

square

#423FCE #CE3F83 #CBCE3F #3FCE8A

split-complementary

#423FCE #CE8A3F #83CE3F

monochromatic

#201E75 #2D2AA6 #423FCE #7270DA #A2A1E7

Accessibility & contrast

On white

7.41

#423FCE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#423FCE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423FCE

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423FCE	#FFFFFF	#000000	##FFFFFF
##423FCE	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD2

Deuteranopia (green-blind)

#004FCB

Tritanopia (blue-blind)

#006682

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #423fce;
/* rgb */ color: rgb(66, 63, 206);
/* oklch */ color: oklch(47.0% 0.212 275.4);

Tailwind

colors: {
  custom: {
    50: '#8975de',
    500: '#423fce',
    950: '#000000',
  },
}

SCSS

$custom: #423fce;
$custom-light: #8975de;
$custom-dark: #000000;

JSON

{
  "hex": "#423fce",
  "rgb": {
    "r": 66,
    "g": 63,
    "b": 206
  },
  "hsl": {
    "h": 241.259,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.47016,
    "c": 0.2124,
    "h": 275.4
  },
  "luminance": 0.09169
}

Semantic roles & 50–950 ramp

primary

#423FCE

secondary

#D2D395

accent

#E345DF

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423FCE

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

Preview Lab → · Contrast checker → · Palette generator →