#383EBB#383EBB

#383EBB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.4% C 0.192 H 273.4°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#383EBB
RGB	rgb(56, 62, 187)
HSL	hsl(237, 54%, 48%)
HSV	hsv(237, 70%, 73%)
CMYK	cmyk(70.1%, 66.8%, 0%, 26.7%)
CIE-LAB	lab(33.72, 38.75, -66.36)
CIE-LCH	lch(33.72, 76.85, 300.28°)
OKLab	oklab(44.45% 0.0112 -0.1917)
OKLCH	oklch(44.45% 0.192 273.4)
XYZ	xyz(12.3202, 7.8727, 47.8744)
Luminance	0.0787 (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

#383EBB #BBB538

analogous

#387FBB #383EBB #7438BB

triadic

#383EBB #BB383E #3EBB38

tetradic

#383EBB #BB387F #BBB538 #38BB74

square

#383EBB #BB387F #BBB538 #38BB74

split-complementary

#383EBB #BB7438 #7FBB38

monochromatic

#1C1F5D #2A2E8C #383EBB #6166D0 #9093DE

Accessibility & contrast

On white

8.16

#383EBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#383EBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383EBB

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383EBB	#FFFFFF	#000000	##FFFFFF
##383EBB	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	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: #383ebb;
/* rgb */ color: rgb(56, 62, 187);
/* oklch */ color: oklch(44.4% 0.192 273.4);

Tailwind

colors: {
  custom: {
    50: '#8074d1',
    500: '#383ebb',
    950: '#000000',
  },
}

SCSS

$custom: #383ebb;
$custom-light: #8074d1;
$custom-dark: #000000;

JSON

{
  "hex": "#383ebb",
  "rgb": {
    "r": 56,
    "g": 62,
    "b": 187
  },
  "hsl": {
    "h": 237.252,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44449,
    "c": 0.19208,
    "h": 273.4
  },
  "luminance": 0.07874
}

Semantic roles & 50–950 ramp

primary

#383EBB

secondary

#C8C586

accent

#D74BDD

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #383EBB

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

Preview Lab → · Contrast checker → · Palette generator →