#383B78#383B78

#383B78 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.3% C 0.102 H 278.3°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#383B78
RGB	rgb(56, 59, 120)
HSL	hsl(237, 36%, 35%)
HSV	hsv(237, 53%, 47%)
CMYK	cmyk(53.3%, 50.8%, 0%, 52.9%)
CIE-LAB	lab(27.64, 17.24, -35.43)
CIE-LCH	lch(27.64, 39.40, 295.96°)
OKLab	oklab(38.29% 0.0147 -0.1009)
OKLCH	oklch(38.29% 0.102 278.3)
XYZ	xyz(6.5840, 5.3244, 18.4464)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#383B78 #787538

analogous

#385B78 #383B78 #553878

triadic

#383B78 #78383B #3B7838

tetradic

#383B78 #78385B #787538 #387855

square

#383B78 #78385B #787538 #387855

split-complementary

#383B78 #785538 #5B7838

monochromatic

#111225 #25264E #383B78 #4B50A2 #6F72BC

Accessibility & contrast

On white

10.17

#383B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#383B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #383B78

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##383B78	#FFFFFF	#000000	##FFFFFF
##383B78	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F447A

Deuteranopia (green-blind)

#183F77

Tritanopia (blue-blind)

#1E4853

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #383b78;
/* rgb */ color: rgb(56, 59, 120);
/* oklch */ color: oklch(38.3% 0.102 278.3);

Tailwind

colors: {
  custom: {
    50: '#74709f',
    500: '#383b78',
    950: '#000000',
  },
}

SCSS

$custom: #383b78;
$custom-light: #74709f;
$custom-dark: #000000;

JSON

{
  "hex": "#383b78",
  "rgb": {
    "r": 56,
    "g": 59,
    "b": 120
  },
  "hsl": {
    "h": 237.188,
    "s": 36.364,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38291,
    "c": 0.10196,
    "h": 278.3
  },
  "luminance": 0.05325
}

Semantic roles & 50–950 ramp

primary

#383B78

secondary

#A5A267

accent

#C75BCC

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #383B78

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

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