#2F1D8D#2F1D8D

#2F1D8D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.171 H 279.6°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#2F1D8D
RGB	rgb(47, 29, 141)
HSL	hsl(250, 66%, 33%)
HSV	hsv(250, 79%, 55%)
CMYK	cmyk(66.7%, 79.4%, 0%, 44.7%)
CIE-LAB	lab(21.60, 41.53, -58.47)
CIE-LCH	lch(21.60, 71.72, 305.39°)
OKLab	oklab(34.26% 0.0287 -0.1688)
OKLCH	oklch(34.26% 0.171 279.6)
XYZ	xyz(6.4178, 3.4056, 25.5133)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F1D8D #7B8D1D

analogous

#1D438D #2F1D8D #671D8D

triadic

#2F1D8D #8D2F1D #1D8D2F

tetradic

#2F1D8D #8D1D43 #7B8D1D #1D8D67

square

#2F1D8D #8D1D43 #7B8D1D #1D8D67

split-complementary

#2F1D8D #8D671D #438D1D

monochromatic

#0D0827 #1E135A #2F1D8D #4027C0 #624BDA

Accessibility & contrast

On white

12.49

#2F1D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2F1D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F1D8D

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F1D8D	#FFFFFF	#000000	##FFFFFF
##2F1D8D	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003890

Deuteranopia (green-blind)

#002F8B

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2f1d8d;
/* rgb */ color: rgb(47, 29, 141);
/* oklch */ color: oklch(34.3% 0.171 279.6);

Tailwind

colors: {
  custom: {
    50: '#755cb0',
    500: '#2f1d8d',
    950: '#000000',
  },
}

SCSS

$custom: #2f1d8d;
$custom-light: #755cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f1d8d",
  "rgb": {
    "r": 47,
    "g": 29,
    "b": 141
  },
  "hsl": {
    "h": 249.643,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34257,
    "c": 0.17124,
    "h": 279.6
  },
  "luminance": 0.03406
}

Semantic roles & 50–950 ramp

primary

#2F1D8D

secondary

#AABC4A

accent

#E93FCE

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2F1D8D

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

Preview Lab → · Contrast checker → · Palette generator →