#383CB4#383CB4

#383CB4 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.185 H 274.1°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#383CB4
RGB	rgb(56, 60, 180)
HSL	hsl(238, 53%, 46%)
HSV	hsv(238, 69%, 71%)
CMYK	cmyk(68.9%, 66.7%, 0%, 29.4%)
CIE-LAB	lab(32.63, 37.57, -64.01)
CIE-LCH	lch(32.63, 74.22, 300.41°)
OKLab	oklab(43.47% 0.0133 -0.1849)
OKLCH	oklch(43.47% 0.185 274.1)
XYZ	xyz(11.4822, 7.3667, 43.9880)
Luminance	0.0737 (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

#383CB4 #B4B038

analogous

#387AB4 #383CB4 #7238B4

triadic

#383CB4 #B4383C #3CB438

tetradic

#383CB4 #B4387A #B4B038 #38B472

square

#383CB4 #B4387A #B4B038 #38B472

split-complementary

#383CB4 #B47238 #7AB438

monochromatic

#1B1D57 #292C85 #383CB4 #5D60CD #8B8EDB

Accessibility & contrast

On white

8.49

#383CB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#383CB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CB4

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383CB4	#FFFFFF	#000000	##FFFFFF
##383CB4	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B8

Deuteranopia (green-blind)

#0047B2

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #383cb4;
/* rgb */ color: rgb(56, 60, 180);
/* oklch */ color: oklch(43.5% 0.185 274.1);

Tailwind

colors: {
  custom: {
    50: '#7f72cb',
    500: '#383cb4',
    950: '#000000',
  },
}

SCSS

$custom: #383cb4;
$custom-light: #7f72cb;
$custom-dark: #000000;

JSON

{
  "hex": "#383cb4",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 180
  },
  "hsl": {
    "h": 238.065,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43466,
    "c": 0.18534,
    "h": 274.1
  },
  "luminance": 0.07368
}

Semantic roles & 50–950 ramp

primary

#383CB4

secondary

#C5C382

accent

#D74CDC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383CB4

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

Preview Lab → · Contrast checker → · Palette generator →