#3A279E#3A279E

#3A279E is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.3% C 0.180 H 280.9°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#3A279E
RGB	rgb(58, 39, 158)
HSL	hsl(250, 60%, 39%)
HSV	hsv(250, 75%, 62%)
CMYK	cmyk(63.3%, 75.3%, 0%, 38%)
CIE-LAB	lab(26.21, 42.87, -61.31)
CIE-LCH	lch(26.21, 74.82, 304.96°)
OKLab	oklab(38.27% 0.0342 -0.1769)
OKLCH	oklch(38.27% 0.18 280.9)
XYZ	xyz(8.6401, 4.8186, 32.8159)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A279E #8B9E27

analogous

#274F9E #3A279E #75279E

triadic

#3A279E #9E3A27 #279E3A

tetradic

#3A279E #9E274F #8B9E27 #279E75

square

#3A279E #9E274F #8B9E27 #279E75

split-complementary

#3A279E #9E7527 #4F9E27

monochromatic

#160F3C #281B6D #3A279E #4D35CD #7966D9

Accessibility & contrast

On white

10.69

#3A279E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3A279E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A279E

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A279E	#FFFFFF	#000000	##FFFFFF
##3A279E	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#003A9C

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3a279e;
/* rgb */ color: rgb(58, 39, 158);
/* oklch */ color: oklch(38.3% 0.180 280.9);

Tailwind

colors: {
  custom: {
    50: '#7d64bc',
    500: '#3a279e',
    950: '#000000',
  },
}

SCSS

$custom: #3a279e;
$custom-light: #7d64bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a279e",
  "rgb": {
    "r": 58,
    "g": 39,
    "b": 158
  },
  "hsl": {
    "h": 249.58,
    "s": 60.406,
    "l": 38.627
  },
  "oklch": {
    "l": 0.3827,
    "c": 0.18015,
    "h": 280.9
  },
  "luminance": 0.04819
}

Semantic roles & 50–950 ramp

primary

#3A279E

secondary

#B0BF62

accent

#E444CA

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #3A279E

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

Preview Lab → · Contrast checker → · Palette generator →