#383CB3#383CB3

#383CB3 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.4% C 0.184 H 274.2°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#383CB3
RGB	rgb(56, 60, 179)
HSL	hsl(238, 52%, 46%)
HSV	hsv(238, 69%, 70%)
CMYK	cmyk(68.7%, 66.5%, 0%, 29.8%)
CIE-LAB	lab(32.54, 37.23, -63.56)
CIE-LCH	lch(32.54, 73.66, 300.36°)
OKLab	oklab(43.37% 0.0134 -0.1835)
OKLCH	oklch(43.37% 0.184 274.2)
XYZ	xyz(11.3807, 7.3261, 43.4534)
Luminance	0.0733 (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

#383CB3 #B3AF38

analogous

#3879B3 #383CB3 #7138B3

triadic

#383CB3 #B3383C #3CB338

tetradic

#383CB3 #B33879 #B3AF38 #38B371

square

#383CB3 #B33879 #B3AF38 #38B371

split-complementary

#383CB3 #B37138 #79B338

monochromatic

#1B1D56 #292C84 #383CB3 #5C60CC #8B8DDB

Accessibility & contrast

On white

8.52

#383CB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#383CB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CB3

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383CB3	#FFFFFF	#000000	##FFFFFF
##383CB3	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #383cb3;
/* rgb */ color: rgb(56, 60, 179);
/* oklch */ color: oklch(43.4% 0.184 274.2);

Tailwind

colors: {
  custom: {
    50: '#7f72cb',
    500: '#383cb3',
    950: '#000000',
  },
}

SCSS

$custom: #383cb3;
$custom-light: #7f72cb;
$custom-dark: #000000;

JSON

{
  "hex": "#383cb3",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 179
  },
  "hsl": {
    "h": 238.049,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43373,
    "c": 0.18404,
    "h": 274.2
  },
  "luminance": 0.07327
}

Semantic roles & 50–950 ramp

primary

#383CB3

secondary

#C5C382

accent

#D74CDC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383CB3

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

Preview Lab → · Contrast checker → · Palette generator →