#383BB4#383BB4

#383BB4 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.186 H 274.3°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#383BB4
RGB	rgb(56, 59, 180)
HSL	hsl(239, 53%, 46%)
HSV	hsv(239, 69%, 71%)
CMYK	cmyk(68.9%, 67.2%, 0%, 29.4%)
CIE-LAB	lab(32.40, 38.19, -64.39)
CIE-LCH	lch(32.40, 74.86, 300.67°)
OKLab	oklab(43.3% 0.014 -0.186)
OKLCH	oklch(43.3% 0.186 274.3)
XYZ	xyz(11.4303, 7.2629, 43.9707)
Luminance	0.0726 (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

#383BB4 #B4B138

analogous

#3879B4 #383BB4 #7338B4

triadic

#383BB4 #B4383B #3BB438

tetradic

#383BB4 #B43879 #B4B138 #38B473

square

#383BB4 #B43879 #B4B138 #38B473

split-complementary

#383BB4 #B47338 #79B438

monochromatic

#1B1C57 #292C85 #383BB4 #5D5FCD #8B8DDB

Accessibility & contrast

On white

8.56

#383BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#383BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383BB4

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383BB4	#FFFFFF	#000000	##FFFFFF
##383BB4	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B8

Deuteranopia (green-blind)

#0047B2

Tritanopia (blue-blind)

#005B72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #383bb4;
/* rgb */ color: rgb(56, 59, 180);
/* oklch */ color: oklch(43.3% 0.186 274.3);

Tailwind

colors: {
  custom: {
    50: '#7f71cc',
    500: '#383bb4',
    950: '#000000',
  },
}

SCSS

$custom: #383bb4;
$custom-light: #7f71cc;
$custom-dark: #000000;

JSON

{
  "hex": "#383bb4",
  "rgb": {
    "r": 56,
    "g": 59,
    "b": 180
  },
  "hsl": {
    "h": 238.548,
    "s": 52.542,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43299,
    "c": 0.18649,
    "h": 274.3
  },
  "luminance": 0.07264
}

Semantic roles & 50–950 ramp

primary

#383BB4

secondary

#C5C482

accent

#D84CDC

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383BB4

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

Preview Lab → · Contrast checker → · Palette generator →