#383CBB#383CBB

#383CBB is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.1% C 0.194 H 273.7°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#383CBB
RGB	rgb(56, 60, 187)
HSL	hsl(238, 54%, 48%)
HSV	hsv(238, 70%, 73%)
CMYK	cmyk(70.1%, 67.9%, 0%, 26.7%)
CIE-LAB	lab(33.26, 39.97, -67.11)
CIE-LCH	lch(33.26, 78.11, 300.78°)
OKLab	oklab(44.12% 0.0126 -0.1939)
OKLCH	oklch(44.12% 0.194 273.7)
XYZ	xyz(12.2134, 7.6592, 47.8388)
Luminance	0.0766 (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

#383CBB #BBB738

analogous

#387DBB #383CBB #7638BB

triadic

#383CBB #BB383C #3CBB38

tetradic

#383CBB #BB387D #BBB738 #38BB76

square

#383CBB #BB387D #BBB738 #38BB76

split-complementary

#383CBB #BB7638 #7DBB38

monochromatic

#1C1E5D #2A2D8C #383CBB #6164D0 #9092DE

Accessibility & contrast

On white

8.29

#383CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#383CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CBB

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383CBB	#FFFFFF	#000000	##FFFFFF
##383CBB	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BF

Deuteranopia (green-blind)

#0048B9

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #383cbb;
/* rgb */ color: rgb(56, 60, 187);
/* oklch */ color: oklch(44.1% 0.194 273.7);

Tailwind

colors: {
  custom: {
    50: '#8172d1',
    500: '#383cbb',
    950: '#000000',
  },
}

SCSS

$custom: #383cbb;
$custom-light: #8172d1;
$custom-dark: #000000;

JSON

{
  "hex": "#383cbb",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 187
  },
  "hsl": {
    "h": 238.168,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44121,
    "c": 0.19434,
    "h": 273.7
  },
  "luminance": 0.0766
}

Semantic roles & 50–950 ramp

primary

#383CBB

secondary

#C8C686

accent

#D94BDD

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #383CBB

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

Preview Lab → · Contrast checker → · Palette generator →