#423CCF#423CCF

#423CCF is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.7% C 0.217 H 275.7°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#423CCF
RGB	rgb(66, 60, 207)
HSL	hsl(242, 60%, 52%)
HSV	hsv(242, 71%, 81%)
CMYK	cmyk(68.1%, 71%, 0%, 18.8%)
CIE-LAB	lab(35.78, 47.74, -74.64)
CIE-LCH	lch(35.78, 88.60, 302.61°)
OKLab	oklab(46.67% 0.0217 -0.2157)
OKLCH	oklch(46.67% 0.217 275.7)
XYZ	xyz(15.1214, 8.8936, 59.9391)
Luminance	0.0890 (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

#423CCF #C9CF3C

analogous

#3C80CF #423CCF #8C3CCF

triadic

#423CCF #CF423C #3CCF42

tetradic

#423CCF #CF3C80 #C9CF3C #3CCF8C

square

#423CCF #CF3C80 #C9CF3C #3CCF8C

split-complementary

#423CCF #CF8C3C #80CF3C

monochromatic

#201D74 #2E29A5 #423CCF #726DDB #A19EE7

Accessibility & contrast

On white

7.56

#423CCF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#423CCF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423CCF

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423CCF	#FFFFFF	#000000	##FFFFFF
##423CCF	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD3

Deuteranopia (green-blind)

#004ECC

Tritanopia (blue-blind)

#006581

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #423ccf;
/* rgb */ color: rgb(66, 60, 207);
/* oklch */ color: oklch(46.7% 0.217 275.7);

Tailwind

colors: {
  custom: {
    50: '#8973df',
    500: '#423ccf',
    950: '#000000',
  },
}

SCSS

$custom: #423ccf;
$custom-light: #8973df;
$custom-dark: #000000;

JSON

{
  "hex": "#423ccf",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 207
  },
  "hsl": {
    "h": 242.449,
    "s": 60.494,
    "l": 52.353
  },
  "oklch": {
    "l": 0.46666,
    "c": 0.21677,
    "h": 275.7
  },
  "luminance": 0.08895
}

Semantic roles & 50–950 ramp

primary

#423CCF

secondary

#D1D393

accent

#E444DD

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #423CCF

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

Preview Lab → · Contrast checker → · Palette generator →