#383CA3#383CA3

#383CA3 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.9% C 0.163 H 275.2°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#383CA3
RGB	rgb(56, 60, 163)
HSL	hsl(238, 49%, 43%)
HSV	hsv(238, 66%, 64%)
CMYK	cmyk(65.6%, 63.2%, 0%, 36.1%)
CIE-LAB	lab(31.15, 31.66, -56.25)
CIE-LCH	lch(31.15, 64.55, 299.37°)
OKLab	oklab(41.93% 0.0146 -0.1621)
OKLCH	oklch(41.93% 0.163 275.2)
XYZ	xyz(9.8554, 6.7160, 35.4202)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.48

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383CA3 #A39F38

analogous

#3871A3 #383CA3 #6938A3

triadic

#383CA3 #A3383C #3CA338

tetradic

#383CA3 #A33871 #A39F38 #38A369

square

#383CA3 #A33871 #A39F38 #38A369

split-complementary

#383CA3 #A36938 #71A338

monochromatic

#191A48 #282B75 #383CA3 #5458C4 #8285D4

Accessibility & contrast

On white

8.96

#383CA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#383CA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CA3

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383CA3	#FFFFFF	#000000	##FFFFFF
##383CA3	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA6

Deuteranopia (green-blind)

#0045A1

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #383ca3;
/* rgb */ color: rgb(56, 60, 163);
/* oklch */ color: oklch(41.9% 0.163 275.2);

Tailwind

colors: {
  custom: {
    50: '#7c72bf',
    500: '#383ca3',
    950: '#000000',
  },
}

SCSS

$custom: #383ca3;
$custom-light: #7c72bf;
$custom-dark: #000000;

JSON

{
  "hex": "#383ca3",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 163
  },
  "hsl": {
    "h": 237.757,
    "s": 48.858,
    "l": 42.941
  },
  "oklch": {
    "l": 0.41932,
    "c": 0.16278,
    "h": 275.2
  },
  "luminance": 0.06717
}

Semantic roles & 50–950 ramp

primary

#383CA3

secondary

#BDBB79

accent

#D34FD8

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #383CA3

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

Preview Lab → · Contrast checker → · Palette generator →