#2F188B#2F188B

#2F188B is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.4% C 0.173 H 280.7°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#2F188B
RGB	rgb(47, 24, 139)
HSL	hsl(252, 71%, 32%)
HSV	hsv(252, 83%, 55%)
CMYK	cmyk(66.2%, 82.7%, 0%, 45.5%)
CIE-LAB	lab(20.52, 43.39, -59.00)
CIE-LCH	lch(20.52, 73.24, 306.33°)
OKLab	oklab(33.44% 0.0321 -0.1703)
OKLCH	oklch(33.44% 0.173 280.7)
XYZ	xyz(6.1576, 3.1212, 24.6991)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F188B #748B18

analogous

#183B8B #2F188B #69188B

triadic

#2F188B #8B2F18 #188B2F

tetradic

#2F188B #8B183B #748B18 #188B69

square

#2F188B #8B183B #748B18 #188B69

split-complementary

#2F188B #8B6918 #3B8B18

monochromatic

#0C0623 #1D0F57 #2F188B #4121BF #5F3FDE

Accessibility & contrast

On white

12.93

#2F188B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2F188B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F188B

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F188B	#FFFFFF	#000000	##FFFFFF
##2F188B	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358E

Deuteranopia (green-blind)

#002D89

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2f188b;
/* rgb */ color: rgb(47, 24, 139);
/* oklch */ color: oklch(33.4% 0.173 280.7);

Tailwind

colors: {
  custom: {
    50: '#7559ae',
    500: '#2f188b',
    950: '#000000',
  },
}

SCSS

$custom: #2f188b;
$custom-light: #7559ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2f188b",
  "rgb": {
    "r": 47,
    "g": 24,
    "b": 139
  },
  "hsl": {
    "h": 252,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33442,
    "c": 0.17329,
    "h": 280.7
  },
  "luminance": 0.03122
}

Semantic roles & 50–950 ramp

primary

#2F188B

secondary

#A5BE40

accent

#ED3ACA

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #2F188B

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

Preview Lab → · Contrast checker → · Palette generator →