#3923B0#3923B0

#3923B0 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.6% C 0.206 H 278.5°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#3923B0
RGB	rgb(57, 35, 176)
HSL	hsl(249, 67%, 41%)
HSV	hsv(249, 80%, 69%)
CMYK	cmyk(67.6%, 80.1%, 0%, 31%)
CIE-LAB	lab(27.31, 50.31, -70.37)
CIE-LCH	lch(27.31, 86.51, 305.56°)
OKLab	oklab(39.58% 0.0303 -0.2033)
OKLCH	oklch(39.58% 0.206 278.5)
XYZ	xyz(10.1223, 5.2056, 41.5372)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3923B0 #9AB023

analogous

#2354B0 #3923B0 #8023B0

triadic

#3923B0 #B03923 #23B039

tetradic

#3923B0 #B02354 #9AB023 #23B080

square

#3923B0 #B02354 #9AB023 #23B080

split-complementary

#3923B0 #B08023 #54B023

monochromatic

#180F4A #28197D #3923B0 #5139D8 #7E6CE2

Accessibility & contrast

On white

10.29

#3923B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3923B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3923B0

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3923B0	#FFFFFF	#000000	##FFFFFF
##3923B0	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B4

Deuteranopia (green-blind)

#003BAE

Tritanopia (blue-blind)

#004E6A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3923b0;
/* rgb */ color: rgb(57, 35, 176);
/* oklch */ color: oklch(39.6% 0.206 278.5);

Tailwind

colors: {
  custom: {
    50: '#8162c9',
    500: '#3923b0',
    950: '#000000',
  },
}

SCSS

$custom: #3923b0;
$custom-light: #8162c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3923b0",
  "rgb": {
    "r": 57,
    "g": 35,
    "b": 176
  },
  "hsl": {
    "h": 249.362,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39584,
    "c": 0.20551,
    "h": 278.5
  },
  "luminance": 0.05207
}

Semantic roles & 50–950 ramp

primary

#3923B0

secondary

#B9C867

accent

#EA3ECF

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0513

muted

#7D7A82

Preview Lab

Preview with #3923B0

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

Preview Lab → · Contrast checker → · Palette generator →