#383DBB#383DBB

#383DBB is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.193 H 273.5°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#383DBB
RGB	rgb(56, 61, 187)
HSL	hsl(238, 54%, 48%)
HSV	hsv(238, 70%, 73%)
CMYK	cmyk(70.1%, 67.4%, 0%, 26.7%)
CIE-LAB	lab(33.49, 39.36, -66.74)
CIE-LCH	lch(33.49, 77.48, 300.53°)
OKLab	oklab(44.28% 0.0119 -0.1928)
OKLCH	oklch(44.28% 0.193 273.5)
XYZ	xyz(12.2663, 7.7649, 47.8564)
Luminance	0.0777 (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

#383DBB #BBB638

analogous

#387EBB #383DBB #7538BB

triadic

#383DBB #BB383D #3DBB38

tetradic

#383DBB #BB387E #BBB638 #38BB75

square

#383DBB #BB387E #BBB638 #38BB75

split-complementary

#383DBB #BB7538 #7EBB38

monochromatic

#1C1E5D #2A2E8C #383DBB #6165D0 #9093DE

Accessibility & contrast

On white

8.22

#383DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#383DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383DBB

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383DBB	#FFFFFF	#000000	##FFFFFF
##383DBB	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#0049B9

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #383dbb;
/* rgb */ color: rgb(56, 61, 187);
/* oklch */ color: oklch(44.3% 0.193 273.5);

Tailwind

colors: {
  custom: {
    50: '#8173d1',
    500: '#383dbb',
    950: '#000000',
  },
}

SCSS

$custom: #383dbb;
$custom-light: #8173d1;
$custom-dark: #000000;

JSON

{
  "hex": "#383dbb",
  "rgb": {
    "r": 56,
    "g": 61,
    "b": 187
  },
  "hsl": {
    "h": 237.71,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44284,
    "c": 0.19321,
    "h": 273.5
  },
  "luminance": 0.07766
}

Semantic roles & 50–950 ramp

primary

#383DBB

secondary

#C8C686

accent

#D84BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #383DBB

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

Preview Lab → · Contrast checker → · Palette generator →