#383BA4#383BA4

#383BA4 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.165 H 275.3°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#383BA4
RGB	rgb(56, 59, 164)
HSL	hsl(238, 49%, 43%)
HSV	hsv(238, 66%, 64%)
CMYK	cmyk(65.9%, 64%, 0%, 35.7%)
CIE-LAB	lab(30.99, 32.65, -57.12)
CIE-LCH	lch(30.99, 65.79, 299.75°)
OKLab	oklab(41.84% 0.0154 -0.1647)
OKLCH	oklch(41.84% 0.165 275.3)
XYZ	xyz(9.8935, 6.6482, 35.8766)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.31

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383BA4 #A4A138

analogous

#3871A4 #383BA4 #6B38A4

triadic

#383BA4 #A4383B #3BA438

tetradic

#383BA4 #A43871 #A4A138 #38A46B

square

#383BA4 #A43871 #A4A138 #38A46B

split-complementary

#383BA4 #A46B38 #71A438

monochromatic

#191A49 #282B76 #383BA4 #5458C5 #8284D4

Accessibility & contrast

On white

9.01

#383BA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#383BA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383BA4

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383BA4	#FFFFFF	#000000	##FFFFFF
##383BA4	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA7

Deuteranopia (green-blind)

#0044A2

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #383ba4;
/* rgb */ color: rgb(56, 59, 164);
/* oklch */ color: oklch(41.8% 0.165 275.3);

Tailwind

colors: {
  custom: {
    50: '#7c71c0',
    500: '#383ba4',
    950: '#000000',
  },
}

SCSS

$custom: #383ba4;
$custom-light: #7c71c0;
$custom-dark: #000000;

JSON

{
  "hex": "#383ba4",
  "rgb": {
    "r": 56,
    "g": 59,
    "b": 164
  },
  "hsl": {
    "h": 238.333,
    "s": 49.091,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41841,
    "c": 0.16538,
    "h": 275.3
  },
  "luminance": 0.06649
}

Semantic roles & 50–950 ramp

primary

#383BA4

secondary

#BEBC7A

accent

#D54FD9

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #383BA4

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

Preview Lab → · Contrast checker → · Palette generator →