#383CB2#383CB2

#383CB2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.183 H 274.2°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#383CB2
RGB	rgb(56, 60, 178)
HSL	hsl(238, 52%, 46%)
HSV	hsv(238, 69%, 70%)
CMYK	cmyk(68.5%, 66.3%, 0%, 30.2%)
CIE-LAB	lab(32.45, 36.88, -63.11)
CIE-LCH	lch(32.45, 73.10, 300.30°)
OKLab	oklab(43.28% 0.0135 -0.1822)
OKLCH	oklch(43.28% 0.183 274.2)
XYZ	xyz(11.2800, 7.2858, 42.9227)
Luminance	0.0729 (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

#383CB2 #B2AE38

analogous

#3879B2 #383CB2 #7138B2

triadic

#383CB2 #B2383C #3CB238

tetradic

#383CB2 #B23879 #B2AE38 #38B271

square

#383CB2 #B23879 #B2AE38 #38B271

split-complementary

#383CB2 #B27138 #79B238

monochromatic

#1B1D55 #292C83 #383CB2 #5C5FCC #8A8DDA

Accessibility & contrast

On white

8.55

#383CB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#383CB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CB2

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383CB2	#FFFFFF	#000000	##FFFFFF
##383CB2	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #383cb2;
/* rgb */ color: rgb(56, 60, 178);
/* oklch */ color: oklch(43.3% 0.183 274.2);

Tailwind

colors: {
  custom: {
    50: '#7f72ca',
    500: '#383cb2',
    950: '#000000',
  },
}

SCSS

$custom: #383cb2;
$custom-light: #7f72ca;
$custom-dark: #000000;

JSON

{
  "hex": "#383cb2",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 178
  },
  "hsl": {
    "h": 238.033,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43281,
    "c": 0.18274,
    "h": 274.2
  },
  "luminance": 0.07287
}

Semantic roles & 50–950 ramp

primary

#383CB2

secondary

#C5C281

accent

#D74CDC

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383CB2

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

Preview Lab → · Contrast checker → · Palette generator →