#383FA5#383FA5

#383FA5 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.162 H 274.3°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#383FA5
RGB	rgb(56, 63, 165)
HSL	hsl(236, 49%, 43%)
HSV	hsv(236, 66%, 65%)
CMYK	cmyk(66.1%, 61.8%, 0%, 35.3%)
CIE-LAB	lab(32.06, 30.44, -55.98)
CIE-LCH	lch(32.06, 63.72, 298.53°)
OKLab	oklab(42.65% 0.012 -0.1613)
OKLCH	oklch(42.65% 0.162 274.3)
XYZ	xyz(10.1977, 7.1115, 36.4253)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383FA5 #A59E38

analogous

#3875A5 #383FA5 #6738A5

triadic

#383FA5 #A5383F #3FA538

tetradic

#383FA5 #A53875 #A59E38 #38A567

square

#383FA5 #A53875 #A59E38 #38A567

split-complementary

#383FA5 #A56738 #75A538

monochromatic

#191C4A #282E77 #383FA5 #555CC5 #8388D5

Accessibility & contrast

On white

8.67

#383FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#383FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383FA5

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383FA5	#FFFFFF	#000000	##FFFFFF
##383FA5	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)

#0050A8

Deuteranopia (green-blind)

#0047A3

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #383fa5;
/* rgb */ color: rgb(56, 63, 165);
/* oklch */ color: oklch(42.7% 0.162 274.3);

Tailwind

colors: {
  custom: {
    50: '#7c74c1',
    500: '#383fa5',
    950: '#000000',
  },
}

SCSS

$custom: #383fa5;
$custom-light: #7c74c1;
$custom-dark: #000000;

JSON

{
  "hex": "#383fa5",
  "rgb": {
    "r": 56,
    "g": 63,
    "b": 165
  },
  "hsl": {
    "h": 236.147,
    "s": 49.321,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42652,
    "c": 0.16174,
    "h": 274.3
  },
  "luminance": 0.07112
}

Semantic roles & 50–950 ramp

primary

#383FA5

secondary

#BEBA7A

accent

#D04FD9

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #383FA5

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

Preview Lab → · Contrast checker → · Palette generator →