#3D378D#3D378D

#3D378D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.138 H 281.2°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#3D378D
RGB	rgb(61, 55, 141)
HSL	hsl(244, 44%, 38%)
HSV	hsv(244, 61%, 55%)
CMYK	cmyk(56.7%, 61%, 0%, 44.7%)
CIE-LAB	lab(28.50, 28.18, -47.12)
CIE-LCH	lch(28.50, 54.90, 300.88°)
OKLab	oklab(39.52% 0.0267 -0.1352)
OKLCH	oklch(39.52% 0.138 281.2)
XYZ	xyz(8.0969, 5.6471, 25.8575)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D378D #878D37

analogous

#375C8D #3D378D #68378D

triadic

#3D378D #8D3D37 #378D3D

tetradic

#3D378D #8D375C #878D37 #378D68

square

#3D378D #8D375C #878D37 #378D68

split-complementary

#3D378D #8D6837 #5C8D37

monochromatic

#171535 #2A2661 #3D378D #5149B8 #7B75C9

Accessibility & contrast

On white

9.86

#3D378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3D378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D378D

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D378D	#FFFFFF	#000000	##FFFFFF
##3D378D	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#164B5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3d378d;
/* rgb */ color: rgb(61, 55, 141);
/* oklch */ color: oklch(39.5% 0.138 281.2);

Tailwind

colors: {
  custom: {
    50: '#7a6eaf',
    500: '#3d378d',
    950: '#000000',
  },
}

SCSS

$custom: #3d378d;
$custom-light: #7a6eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#3d378d",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 244.186,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39523,
    "c": 0.13778,
    "h": 281.2
  },
  "luminance": 0.05648
}

Semantic roles & 50–950 ramp

primary

#3D378D

secondary

#ADB26E

accent

#D454CB

background

#F7F6FA

surface

#EEECF5

border

#C9C7CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #3D378D

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

Preview Lab → · Contrast checker → · Palette generator →