#3A379B#3A379B

#3A379B is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.5% C 0.158 H 278.0°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#3A379B
RGB	rgb(58, 55, 155)
HSL	hsl(242, 48%, 41%)
HSV	hsv(242, 65%, 61%)
CMYK	cmyk(62.6%, 64.5%, 0%, 39.2%)
CIE-LAB	lab(29.41, 32.39, -54.25)
CIE-LCH	lch(29.41, 63.18, 300.84°)
OKLab	oklab(40.48% 0.022 -0.1562)
OKLCH	oklch(40.48% 0.158 278)
XYZ	xyz(9.0256, 5.9978, 31.6861)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.24

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A379B #989B37

analogous

#37669B #3A379B #6C379B

triadic

#3A379B #9B3A37 #379B3A

tetradic

#3A379B #9B3766 #989B37 #379B6C

square

#3A379B #9B3766 #989B37 #379B6C

split-complementary

#3A379B #9B6C37 #669B37

monochromatic

#181741 #29276E #3A379B #524FC0 #7E7CD0

Accessibility & contrast

On white

9.55

#3A379B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#3A379B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A379B

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A379B	#FFFFFF	#000000	##FFFFFF
##3A379B	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499E

Deuteranopia (green-blind)

#004199

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3a379b;
/* rgb */ color: rgb(58, 55, 155);
/* oklch */ color: oklch(40.5% 0.158 278.0);

Tailwind

colors: {
  custom: {
    50: '#7b6eb9',
    500: '#3a379b',
    950: '#000000',
  },
}

SCSS

$custom: #3a379b;
$custom-light: #7b6eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a379b",
  "rgb": {
    "r": 58,
    "g": 55,
    "b": 155
  },
  "hsl": {
    "h": 241.8,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40482,
    "c": 0.15775,
    "h": 278
  },
  "luminance": 0.05998
}

Semantic roles & 50–950 ramp

primary

#3A379B

secondary

#B8BA74

accent

#D751D3

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3A379B

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

Preview Lab → · Contrast checker → · Palette generator →