#3923B4#3923B4

#3923B4 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.0% C 0.210 H 278.0°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#3923B4
RGB	rgb(57, 35, 180)
HSL	hsl(249, 67%, 42%)
HSV	hsv(249, 81%, 71%)
CMYK	cmyk(68.3%, 80.6%, 0%, 29.4%)
CIE-LAB	lab(27.75, 51.50, -72.04)
CIE-LCH	lch(27.75, 88.55, 305.56°)
OKLab	oklab(40.02% 0.0291 -0.2081)
OKLCH	oklch(40.02% 0.21 278)
XYZ	xyz(10.5239, 5.3663, 43.6524)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3923B4 #9EB423

analogous

#2356B4 #3923B4 #8123B4

triadic

#3923B4 #B43923 #23B439

tetradic

#3923B4 #B42356 #9EB423 #23B481

square

#3923B4 #B42356 #9EB423 #23B481

split-complementary

#3923B4 #B48123 #56B423

monochromatic

#190F4E #291981 #3923B4 #533BD9 #806EE3

Accessibility & contrast

On white

10.13

#3923B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3923B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3923B4

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3923B4	#FFFFFF	#000000	##FFFFFF
##3923B4	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B8

Deuteranopia (green-blind)

#003BB2

Tritanopia (blue-blind)

#00506C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3923b4;
/* rgb */ color: rgb(57, 35, 180);
/* oklch */ color: oklch(40.0% 0.210 278.0);

Tailwind

colors: {
  custom: {
    50: '#8263cc',
    500: '#3923b4',
    950: '#000000',
  },
}

SCSS

$custom: #3923b4;
$custom-light: #8263cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3923b4",
  "rgb": {
    "r": 57,
    "g": 35,
    "b": 180
  },
  "hsl": {
    "h": 249.103,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4002,
    "c": 0.21013,
    "h": 278
  },
  "luminance": 0.05367
}

Semantic roles & 50–950 ramp

primary

#3923B4

secondary

#BBC969

accent

#EA3DD0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0514

muted

#7D7A82

Preview Lab

Preview with #3923B4

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

Preview Lab → · Contrast checker → · Palette generator →