#2F1D9A#2F1D9A

#2F1D9A is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.7% C 0.187 H 277.7°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#2F1D9A
RGB	rgb(47, 29, 154)
HSL	hsl(249, 68%, 36%)
HSV	hsv(249, 81%, 60%)
CMYK	cmyk(69.5%, 81.2%, 0%, 39.6%)
CIE-LAB	lab(23.05, 45.58, -64.11)
CIE-LCH	lch(23.05, 78.67, 305.41°)
OKLab	oklab(35.7% 0.025 -0.1852)
OKLCH	oklch(35.7% 0.187 277.7)
XYZ	xyz(7.4425, 3.8155, 30.9098)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F1D9A #889A1D

analogous

#1D499A #2F1D9A #6D1D9A

triadic

#2F1D9A #9A2F1D #1D9A2F

tetradic

#2F1D9A #9A1D49 #889A1D #1D9A6D

square

#2F1D9A #9A1D49 #889A1D #1D9A6D

split-complementary

#2F1D9A #9A6D1D #499A1D

monochromatic

#100A33 #1F1366 #2F1D9A #3F27CE #6753DF

Accessibility & contrast

On white

11.91

#2F1D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#2F1D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F1D9A

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F1D9A	#FFFFFF	#000000	##FFFFFF
##2F1D9A	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9D

Deuteranopia (green-blind)

#003298

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2f1d9a;
/* rgb */ color: rgb(47, 29, 154);
/* oklch */ color: oklch(35.7% 0.187 277.7);

Tailwind

colors: {
  custom: {
    50: '#785db9',
    500: '#2f1d9a',
    950: '#000000',
  },
}

SCSS

$custom: #2f1d9a;
$custom-light: #785db9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f1d9a",
  "rgb": {
    "r": 47,
    "g": 29,
    "b": 154
  },
  "hsl": {
    "h": 248.64,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35697,
    "c": 0.18692,
    "h": 277.7
  },
  "luminance": 0.03816
}

Semantic roles & 50–950 ramp

primary

#2F1D9A

secondary

#B1C251

accent

#EB3DD2

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2F1D9A

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

Preview Lab → · Contrast checker → · Palette generator →