#3924A8#3924A8

#3924A8 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.8% C 0.195 H 279.4°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#3924A8
RGB	rgb(57, 36, 168)
HSL	hsl(250, 65%, 40%)
HSV	hsv(250, 79%, 66%)
CMYK	cmyk(66.1%, 78.6%, 0%, 34.1%)
CIE-LAB	lab(26.61, 47.41, -66.72)
CIE-LCH	lch(26.61, 81.85, 305.40°)
OKLab	oklab(38.84% 0.032 -0.1926)
OKLCH	oklch(38.84% 0.195 279.4)
XYZ	xyz(9.3838, 4.9580, 37.5007)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3924A8 #93A824

analogous

#2451A8 #3924A8 #7B24A8

triadic

#3924A8 #A83924 #24A839

tetradic

#3924A8 #A82451 #93A824 #24A87B

square

#3924A8 #A82451 #93A824 #24A87B

split-complementary

#3924A8 #A87B24 #51A824

monochromatic

#170E43 #281976 #3924A8 #4F35D4 #7B68DF

Accessibility & contrast

On white

10.54

#3924A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#3924A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3924A8

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3924A8	#FFFFFF	#000000	##FFFFFF
##3924A8	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AC

Deuteranopia (green-blind)

#003AA6

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3924a8;
/* rgb */ color: rgb(57, 36, 168);
/* oklch */ color: oklch(38.8% 0.195 279.4);

Tailwind

colors: {
  custom: {
    50: '#7f63c3',
    500: '#3924a8',
    950: '#000000',
  },
}

SCSS

$custom: #3924a8;
$custom-light: #7f63c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3924a8",
  "rgb": {
    "r": 57,
    "g": 36,
    "b": 168
  },
  "hsl": {
    "h": 249.545,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.38842,
    "c": 0.19528,
    "h": 279.4
  },
  "luminance": 0.04959
}

Semantic roles & 50–950 ramp

primary

#3924A8

secondary

#B5C463

accent

#E840CD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #3924A8

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

Preview Lab → · Contrast checker → · Palette generator →