#3A379D#3A379D

#3A379D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.7% C 0.160 H 277.8°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#3A379D
RGB	rgb(58, 55, 157)
HSL	hsl(242, 48%, 42%)
HSV	hsv(242, 65%, 62%)
CMYK	cmyk(63.1%, 65%, 0%, 38.4%)
CIE-LAB	lab(29.58, 33.08, -55.19)
CIE-LCH	lch(29.58, 64.34, 300.94°)
OKLab	oklab(40.66% 0.0218 -0.159)
OKLCH	oklch(40.66% 0.16 277.8)
XYZ	xyz(9.1950, 6.0655, 32.5780)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A379D #9A9D37

analogous

#37679D #3A379D #6D379D

triadic

#3A379D #9D3A37 #379D3A

tetradic

#3A379D #9D3767 #9A9D37 #379D6D

square

#3A379D #9D3767 #9A9D37 #379D6D

split-complementary

#3A379D #9D6D37 #679D37

monochromatic

#191742 #292770 #3A379D #5350C2 #7F7DD1

Accessibility & contrast

On white

9.49

#3A379D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3A379D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A379D

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A379D	#FFFFFF	#000000	##FFFFFF
##3A379D	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3a379d;
/* rgb */ color: rgb(58, 55, 157);
/* oklch */ color: oklch(40.7% 0.160 277.8);

Tailwind

colors: {
  custom: {
    50: '#7c6ebb',
    500: '#3a379d',
    950: '#000000',
  },
}

SCSS

$custom: #3a379d;
$custom-light: #7c6ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a379d",
  "rgb": {
    "r": 58,
    "g": 55,
    "b": 157
  },
  "hsl": {
    "h": 241.765,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40659,
    "c": 0.16045,
    "h": 277.8
  },
  "luminance": 0.06066
}

Semantic roles & 50–950 ramp

primary

#3A379D

secondary

#B9BB75

accent

#D850D4

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3A379D

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

Preview Lab → · Contrast checker → · Palette generator →