#383DA8#383DA8

#383DA8 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.6% C 0.168 H 274.6°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#383DA8
RGB	rgb(56, 61, 168)
HSL	hsl(237, 50%, 44%)
HSV	hsv(237, 67%, 66%)
CMYK	cmyk(66.7%, 63.7%, 0%, 34.1%)
CIE-LAB	lab(31.82, 32.77, -58.18)
CIE-LCH	lch(31.82, 66.77, 299.40°)
OKLab	oklab(42.55% 0.0135 -0.1677)
OKLCH	oklch(42.55% 0.168 274.6)
XYZ	xyz(10.3652, 7.0045, 37.8440)
Luminance	0.0701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.93

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383DA8 #A8A338

analogous

#3875A8 #383DA8 #6B38A8

triadic

#383DA8 #A8383D #3DA838

tetradic

#383DA8 #A83875 #A8A338 #38A86B

square

#383DA8 #A83875 #A8A338 #38A86B

split-complementary

#383DA8 #A86B38 #75A838

monochromatic

#191C4C #292C7A #383DA8 #565BC7 #8488D6

Accessibility & contrast

On white

8.75

#383DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#383DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DA8

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DA8	#FFFFFF	#000000	##FFFFFF
##383DA8	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AB

Deuteranopia (green-blind)

#0046A6

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #383da8;
/* rgb */ color: rgb(56, 61, 168);
/* oklch */ color: oklch(42.6% 0.168 274.6);

Tailwind

colors: {
  custom: {
    50: '#7c72c3',
    500: '#383da8',
    950: '#000000',
  },
}

SCSS

$custom: #383da8;
$custom-light: #7c72c3;
$custom-dark: #000000;

JSON

{
  "hex": "#383da8",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 168
  },
  "hsl": {
    "h": 237.321,
    "s": 50,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42551,
    "c": 0.16829,
    "h": 274.6
  },
  "luminance": 0.07005
}

Semantic roles & 50–950 ramp

primary

#383DA8

secondary

#C0BD7C

accent

#D34EDA

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383DA8

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

Preview Lab → · Contrast checker → · Palette generator →