#383EA8#383EA8

#383EA8 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.167 H 274.4°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#383EA8
RGB	rgb(56, 62, 168)
HSL	hsl(237, 50%, 44%)
HSV	hsv(237, 67%, 66%)
CMYK	cmyk(66.7%, 63.1%, 0%, 34.1%)
CIE-LAB	lab(32.06, 32.14, -57.78)
CIE-LCH	lch(32.06, 66.11, 299.08°)
OKLab	oklab(42.73% 0.0127 -0.1666)
OKLCH	oklch(42.73% 0.167 274.4)
XYZ	xyz(10.4191, 7.1122, 37.8619)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383EA8 #A8A238

analogous

#3876A8 #383EA8 #6A38A8

triadic

#383EA8 #A8383E #3EA838

tetradic

#383EA8 #A83876 #A8A238 #38A86A

square

#383EA8 #A83876 #A8A238 #38A86A

split-complementary

#383EA8 #A86A38 #76A838

monochromatic

#191C4C #292D7A #383EA8 #565CC7 #8489D6

Accessibility & contrast

On white

8.67

#383EA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#383EA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383EA8

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383EA8	#FFFFFF	#000000	##FFFFFF
##383EA8	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AB

Deuteranopia (green-blind)

#0046A6

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #383ea8;
/* rgb */ color: rgb(56, 62, 168);
/* oklch */ color: oklch(42.7% 0.167 274.4);

Tailwind

colors: {
  custom: {
    50: '#7c73c3',
    500: '#383ea8',
    950: '#000000',
  },
}

SCSS

$custom: #383ea8;
$custom-light: #7c73c3;
$custom-dark: #000000;

JSON

{
  "hex": "#383ea8",
  "rgb": {
    "r": 56,
    "g": 62,
    "b": 168
  },
  "hsl": {
    "h": 236.786,
    "s": 50,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4273,
    "c": 0.16706,
    "h": 274.4
  },
  "luminance": 0.07113
}

Semantic roles & 50–950 ramp

primary

#383EA8

secondary

#C0BC7C

accent

#D24EDA

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #383EA8

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

Preview Lab → · Contrast checker → · Palette generator →