#3A379A#3A379A

#3A379A is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.156 H 278.1°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#3A379A
RGB	rgb(58, 55, 154)
HSL	hsl(242, 47%, 41%)
HSV	hsv(242, 64%, 60%)
CMYK	cmyk(62.3%, 64.3%, 0%, 39.6%)
CIE-LAB	lab(29.32, 32.05, -53.78)
CIE-LCH	lch(29.32, 62.60, 300.80°)
OKLab	oklab(40.39% 0.0221 -0.1548)
OKLCH	oklch(40.39% 0.156 278.1)
XYZ	xyz(8.9420, 5.9643, 31.2456)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.37

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A379A #979A37

analogous

#37659A #3A379A #6B379A

triadic

#3A379A #9A3A37 #379A3A

tetradic

#3A379A #9A3765 #979A37 #379A6B

square

#3A379A #9A3765 #979A37 #379A6B

split-complementary

#3A379A #9A6B37 #659A37

monochromatic

#181740 #29276D #3A379A #524EC0 #7E7BD0

Accessibility & contrast

On white

9.58

#3A379A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3A379A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A379A

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A379A	#FFFFFF	#000000	##FFFFFF
##3A379A	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499D

Deuteranopia (green-blind)

#004198

Tritanopia (blue-blind)

#005063

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3a379a;
/* rgb */ color: rgb(58, 55, 154);
/* oklch */ color: oklch(40.4% 0.156 278.1);

Tailwind

colors: {
  custom: {
    50: '#7b6eb9',
    500: '#3a379a',
    950: '#000000',
  },
}

SCSS

$custom: #3a379a;
$custom-light: #7b6eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a379a",
  "rgb": {
    "r": 58,
    "g": 55,
    "b": 154
  },
  "hsl": {
    "h": 241.818,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40394,
    "c": 0.15639,
    "h": 278.1
  },
  "luminance": 0.05965
}

Semantic roles & 50–950 ramp

primary

#3A379A

secondary

#B7B974

accent

#D751D3

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3A379A

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

Preview Lab → · Contrast checker → · Palette generator →