#3A309E#3A309E

#3A309E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.6% C 0.170 H 279.3°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#3A309E
RGB	rgb(58, 48, 158)
HSL	hsl(245, 53%, 40%)
HSV	hsv(245, 70%, 62%)
CMYK	cmyk(63.3%, 69.6%, 0%, 38%)
CIE-LAB	lab(28.06, 37.72, -58.27)
CIE-LCH	lch(28.06, 69.41, 302.92°)
OKLab	oklab(39.59% 0.0275 -0.168)
OKLCH	oklch(39.59% 0.17 279.3)
XYZ	xyz(8.9715, 5.4814, 32.9264)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A309E #949E30

analogous

#305D9E #3A309E #71309E

triadic

#3A309E #9E3A30 #309E3A

tetradic

#3A309E #9E305D #949E30 #309E71

square

#3A309E #9E305D #949E30 #309E71

split-complementary

#3A309E #9E7130 #5D9E30

monochromatic

#181340 #29226F #3A309E #5145C6 #7D74D5

Accessibility & contrast

On white

10.02

#3A309E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3A309E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A309E

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A309E	#FFFFFF	#000000	##FFFFFF
##3A309E	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A1

Deuteranopia (green-blind)

#003E9C

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3a309e;
/* rgb */ color: rgb(58, 48, 158);
/* oklch */ color: oklch(39.6% 0.170 279.3);

Tailwind

colors: {
  custom: {
    50: '#7c69bc',
    500: '#3a309e',
    950: '#000000',
  },
}

SCSS

$custom: #3a309e;
$custom-light: #7c69bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a309e",
  "rgb": {
    "r": 58,
    "g": 48,
    "b": 158
  },
  "hsl": {
    "h": 245.455,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39591,
    "c": 0.17025,
    "h": 279.3
  },
  "luminance": 0.05482
}

Semantic roles & 50–950 ramp

primary

#3A309E

secondary

#B5BD6D

accent

#DD4BD0

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3A309E

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

Preview Lab → · Contrast checker → · Palette generator →