#3A279D#3A279D

#3A279D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.2% C 0.179 H 281.1°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#3A279D
RGB	rgb(58, 39, 157)
HSL	hsl(250, 60%, 38%)
HSV	hsv(250, 75%, 62%)
CMYK	cmyk(63.1%, 75.2%, 0%, 38.4%)
CIE-LAB	lab(26.11, 42.56, -60.87)
CIE-LCH	lch(26.11, 74.27, 304.96°)
OKLab	oklab(38.17% 0.0344 -0.1756)
OKLCH	oklch(38.17% 0.179 281.1)
XYZ	xyz(8.5543, 4.7843, 32.3644)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A279D #8A9D27

analogous

#274F9D #3A279D #75279D

triadic

#3A279D #9D3A27 #279D3A

tetradic

#3A279D #9D274F #8A9D27 #279D75

square

#3A279D #9D274F #8A9D27 #279D75

split-complementary

#3A279D #9D7527 #4F9D27

monochromatic

#160F3B #281B6C #3A279D #4D35CD #7866D9

Accessibility & contrast

On white

10.73

#3A279D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3A279D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A279D

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A279D	#FFFFFF	#000000	##FFFFFF
##3A279D	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A0

Deuteranopia (green-blind)

#00399B

Tritanopia (blue-blind)

#004860

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3a279d;
/* rgb */ color: rgb(58, 39, 157);
/* oklch */ color: oklch(38.2% 0.179 281.1);

Tailwind

colors: {
  custom: {
    50: '#7d64bb',
    500: '#3a279d',
    950: '#000000',
  },
}

SCSS

$custom: #3a279d;
$custom-light: #7d64bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3a279d",
  "rgb": {
    "r": 58,
    "g": 39,
    "b": 157
  },
  "hsl": {
    "h": 249.661,
    "s": 60.204,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38169,
    "c": 0.17892,
    "h": 281.1
  },
  "luminance": 0.04785
}

Semantic roles & 50–950 ramp

primary

#3A279D

secondary

#B0BF61

accent

#E344CA

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3A279D

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

Preview Lab → · Contrast checker → · Palette generator →