#2F1D9B#2F1D9B

#2F1D9B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.8% C 0.188 H 277.5°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#2F1D9B
RGB	rgb(47, 29, 155)
HSL	hsl(249, 68%, 36%)
HSV	hsv(249, 81%, 61%)
CMYK	cmyk(69.7%, 81.3%, 0%, 39.2%)
CIE-LAB	lab(23.17, 45.89, -64.54)
CIE-LCH	lch(23.17, 79.19, 305.41°)
OKLab	oklab(35.81% 0.0247 -0.1865)
OKLCH	oklch(35.81% 0.188 277.5)
XYZ	xyz(7.5261, 3.8490, 31.3503)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F1D9B #899B1D

analogous

#1D4A9B #2F1D9B #6E1D9B

triadic

#2F1D9B #9B2F1D #1D9B2F

tetradic

#2F1D9B #9B1D4A #899B1D #1D9B6E

square

#2F1D9B #9B1D4A #899B1D #1D9B6E

split-complementary

#2F1D9B #9B6E1D #4A9B1D

monochromatic

#100A34 #1F1367 #2F1D9B #3F27CF #6753DF

Accessibility & contrast

On white

11.86

#2F1D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2F1D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F1D9B

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F1D9B	#FFFFFF	#000000	##FFFFFF
##2F1D9B	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9E

Deuteranopia (green-blind)

#003299

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2f1d9b;
/* rgb */ color: rgb(47, 29, 155);
/* oklch */ color: oklch(35.8% 0.188 277.5);

Tailwind

colors: {
  custom: {
    50: '#795dba',
    500: '#2f1d9b',
    950: '#000000',
  },
}

SCSS

$custom: #2f1d9b;
$custom-light: #795dba;
$custom-dark: #000000;

JSON

{
  "hex": "#2f1d9b",
  "rgb": {
    "r": 47,
    "g": 29,
    "b": 155
  },
  "hsl": {
    "h": 248.571,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35809,
    "c": 0.1881,
    "h": 277.5
  },
  "luminance": 0.0385
}

Semantic roles & 50–950 ramp

primary

#2F1D9B

secondary

#B2C252

accent

#EB3CD2

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2F1D9B

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

Preview Lab → · Contrast checker → · Palette generator →