#383CBF#383CBF

#383CBF is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.5% C 0.199 H 273.5°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#383CBF
RGB	rgb(56, 60, 191)
HSL	hsl(238, 55%, 48%)
HSV	hsv(238, 71%, 75%)
CMYK	cmyk(70.7%, 68.6%, 0%, 25.1%)
CIE-LAB	lab(33.63, 41.33, -68.86)
CIE-LCH	lch(33.63, 80.31, 300.98°)
OKLab	oklab(44.5% 0.0121 -0.199)
OKLCH	oklch(44.5% 0.199 273.5)
XYZ	xyz(12.6476, 7.8328, 50.1255)
Luminance	0.0783 (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

#383CBF #BFBB38

analogous

#387FBF #383CBF #7738BF

triadic

#383CBF #BF383C #3CBF38

tetradic

#383CBF #BF387F #BFBB38 #38BF77

square

#383CBF #BF387F #BFBB38 #38BF77

split-complementary

#383CBF #BF7738 #7FBF38

monochromatic

#1C1E60 #2A2D90 #383CBF #6366D1 #9295DF

Accessibility & contrast

On white

8.18

#383CBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#383CBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383CBF

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383CBF	#FFFFFF	#000000	##FFFFFF
##383CBF	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C3

Deuteranopia (green-blind)

#0049BD

Tritanopia (blue-blind)

#006079

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #383cbf;
/* rgb */ color: rgb(56, 60, 191);
/* oklch */ color: oklch(44.5% 0.199 273.5);

Tailwind

colors: {
  custom: {
    50: '#8272d3',
    500: '#383cbf',
    950: '#000000',
  },
}

SCSS

$custom: #383cbf;
$custom-light: #8272d3;
$custom-dark: #000000;

JSON

{
  "hex": "#383cbf",
  "rgb": {
    "r": 56,
    "g": 60,
    "b": 191
  },
  "hsl": {
    "h": 238.222,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.445,
    "c": 0.19941,
    "h": 273.5
  },
  "luminance": 0.07834
}

Semantic roles & 50–950 ramp

primary

#383CBF

secondary

#CAC889

accent

#DA4ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #383CBF

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

Preview Lab → · Contrast checker → · Palette generator →