#3B188E#3B188E

#3B188E is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.9% C 0.175 H 286.7°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#3B188E
RGB	rgb(59, 24, 142)
HSL	hsl(258, 71%, 33%)
HSV	hsv(258, 83%, 56%)
CMYK	cmyk(58.5%, 83.1%, 0%, 44.3%)
CIE-LAB	lab(22.07, 45.59, -58.28)
CIE-LCH	lch(22.07, 73.99, 308.04°)
OKLab	oklab(34.91% 0.0503 -0.1678)
OKLCH	oklch(34.91% 0.175 286.7)
XYZ	xyz(7.0113, 3.5357, 25.8989)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B188E #6B8E18

analogous

#18308E #3B188E #76188E

triadic

#3B188E #8E3B18 #188E3B

tetradic

#3B188E #8E1830 #6B8E18 #188E76

square

#3B188E #8E1830 #6B8E18 #188E76

split-complementary

#3B188E #8E7618 #308E18

monochromatic

#0F0625 #250F5A #3B188E #5121C2 #7041DF

Accessibility & contrast

On white

12.30

#3B188E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#3B188E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B188E

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B188E	#FFFFFF	#000000	##FFFFFF
##3B188E	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#00318C

Tritanopia (blue-blind)

#123C54

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #3b188e;
/* rgb */ color: rgb(59, 24, 142);
/* oklch */ color: oklch(34.9% 0.175 286.7);

Tailwind

colors: {
  custom: {
    50: '#7c5bb0',
    500: '#3b188e',
    950: '#000000',
  },
}

SCSS

$custom: #3b188e;
$custom-light: #7c5bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b188e",
  "rgb": {
    "r": 59,
    "g": 24,
    "b": 142
  },
  "hsl": {
    "h": 257.797,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34905,
    "c": 0.17519,
    "h": 286.7
  },
  "luminance": 0.03536
}

Semantic roles & 50–950 ramp

primary

#3B188E

secondary

#9AC042

accent

#EE3AB8

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #3B188E

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

Preview Lab → · Contrast checker → · Palette generator →