#383BBB#383BBB

#383BBB is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.0% C 0.195 H 273.9°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#383BBB
RGB	rgb(56, 59, 187)
HSL	hsl(239, 54%, 48%)
HSV	hsv(239, 70%, 73%)
CMYK	cmyk(70.1%, 68.4%, 0%, 26.7%)
CIE-LAB	lab(33.04, 40.58, -67.48)
CIE-LCH	lch(33.04, 78.74, 301.02°)
OKLab	oklab(43.96% 0.0132 -0.195)
OKLCH	oklch(43.96% 0.195 273.9)
XYZ	xyz(12.1615, 7.5554, 47.8215)
Luminance	0.0756 (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

#383BBB #BBB838

analogous

#387CBB #383BBB #7638BB

triadic

#383BBB #BB383B #3BBB38

tetradic

#383BBB #BB387C #BBB838 #38BB76

square

#383BBB #BB387C #BBB838 #38BB76

split-complementary

#383BBB #BB7638 #7CBB38

monochromatic

#1C1D5D #2A2C8C #383BBB #6163D0 #9092DE

Accessibility & contrast

On white

8.36

#383BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#383BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383BBB

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383BBB	#FFFFFF	#000000	##FFFFFF
##383BBB	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BF

Deuteranopia (green-blind)

#0048B9

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383bbb;
/* rgb */ color: rgb(56, 59, 187);
/* oklch */ color: oklch(44.0% 0.195 273.9);

Tailwind

colors: {
  custom: {
    50: '#8172d1',
    500: '#383bbb',
    950: '#000000',
  },
}

SCSS

$custom: #383bbb;
$custom-light: #8172d1;
$custom-dark: #000000;

JSON

{
  "hex": "#383bbb",
  "rgb": {
    "r": 56,
    "g": 59,
    "b": 187
  },
  "hsl": {
    "h": 238.626,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43959,
    "c": 0.19545,
    "h": 273.9
  },
  "luminance": 0.07557
}

Semantic roles & 50–950 ramp

primary

#383BBB

secondary

#C8C786

accent

#DA4BDD

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #383BBB

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

Preview Lab → · Contrast checker → · Palette generator →