#383A99#383A99

#383A99 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.152 H 276.4°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#383A99
RGB	rgb(56, 58, 153)
HSL	hsl(239, 46%, 41%)
HSV	hsv(239, 63%, 60%)
CMYK	cmyk(63.4%, 62.1%, 0%, 40%)
CIE-LAB	lab(29.83, 29.45, -52.35)
CIE-LCH	lch(29.83, 60.06, 299.36°)
OKLab	oklab(40.7% 0.0169 -0.1507)
OKLCH	oklch(40.7% 0.152 276.4)
XYZ	xyz(8.8918, 6.1661, 30.8524)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383A99 #999738

analogous

#386A99 #383A99 #663899

triadic

#383A99 #99383A #3A9938

tetradic

#383A99 #99386A #999738 #389966

square

#383A99 #99386A #999738 #389966

split-complementary

#383A99 #996638 #6A9938

monochromatic

#17183F #28296C #383A99 #4F52BF #7C7ECF

Accessibility & contrast

On white

9.40

#383A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#383A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383A99

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383A99	#FFFFFF	#000000	##FFFFFF
##383A99	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9C

Deuteranopia (green-blind)

#004297

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #383a99;
/* rgb */ color: rgb(56, 58, 153);
/* oklch */ color: oklch(40.7% 0.152 276.4);

Tailwind

colors: {
  custom: {
    50: '#7a70b8',
    500: '#383a99',
    950: '#000000',
  },
}

SCSS

$custom: #383a99;
$custom-light: #7a70b8;
$custom-dark: #000000;

JSON

{
  "hex": "#383a99",
  "rgb": {
    "r": 56,
    "g": 58,
    "b": 153
  },
  "hsl": {
    "h": 238.763,
    "s": 46.411,
    "l": 40.98
  },
  "oklch": {
    "l": 0.407,
    "c": 0.15161,
    "h": 276.4
  },
  "luminance": 0.06167
}

Semantic roles & 50–950 ramp

primary

#383A99

secondary

#B8B774

accent

#D352D6

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #383A99

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

Preview Lab → · Contrast checker → · Palette generator →