#3A289E#3A289E

#3A289E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.179 H 280.8°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#3A289E
RGB	rgb(58, 40, 158)
HSL	hsl(249, 60%, 39%)
HSV	hsv(249, 75%, 62%)
CMYK	cmyk(63.3%, 74.7%, 0%, 38%)
CIE-LAB	lab(26.40, 42.33, -61.00)
CIE-LCH	lch(26.40, 74.24, 304.76°)
OKLab	oklab(38.41% 0.0335 -0.176)
OKLCH	oklch(38.41% 0.179 280.8)
XYZ	xyz(8.6733, 4.8851, 32.8270)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A289E #8C9E28

analogous

#28519E #3A289E #75289E

triadic

#3A289E #9E3A28 #289E3A

tetradic

#3A289E #9E2851 #8C9E28 #289E75

square

#3A289E #9E2851 #8C9E28 #289E75

split-complementary

#3A289E #9E7528 #519E28

monochromatic

#160F3C #281C6D #3A289E #4E37CC #7968D9

Accessibility & contrast

On white

10.62

#3A289E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3A289E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A289E

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A289E	#FFFFFF	#000000	##FFFFFF
##3A289E	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#003A9C

Tritanopia (blue-blind)

#004961

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3a289e;
/* rgb */ color: rgb(58, 40, 158);
/* oklch */ color: oklch(38.4% 0.179 280.8);

Tailwind

colors: {
  custom: {
    50: '#7d64bc',
    500: '#3a289e',
    950: '#000000',
  },
}

SCSS

$custom: #3a289e;
$custom-light: #7d64bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a289e",
  "rgb": {
    "r": 58,
    "g": 40,
    "b": 158
  },
  "hsl": {
    "h": 249.153,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38407,
    "c": 0.17912,
    "h": 280.8
  },
  "luminance": 0.04886
}

Semantic roles & 50–950 ramp

primary

#3A289E

secondary

#B1BF63

accent

#E345CB

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3A289E

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

Preview Lab → · Contrast checker → · Palette generator →