#2F1F9F#2F1F9F

#2F1F9F is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.5% C 0.191 H 276.8°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F1F9F
RGB	rgb(47, 31, 159)
HSL	hsl(248, 67%, 37%)
HSV	hsv(248, 81%, 62%)
CMYK	cmyk(70.4%, 80.5%, 0%, 37.6%)
CIE-LAB	lab(23.96, 46.15, -65.68)
CIE-LCH	lch(23.96, 80.27, 305.09°)
OKLab	oklab(36.49% 0.0227 -0.1898)
OKLCH	oklch(36.49% 0.191 276.8)
XYZ	xyz(7.9182, 4.0868, 33.1657)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F1F9F #8F9F1F

analogous

#1F4F9F #2F1F9F #6F1F9F

triadic

#2F1F9F #9F2F1F #1F9F2F

tetradic

#2F1F9F #9F1F4F #8F9F1F #1F9F6F

square

#2F1F9F #9F1F4F #8F9F1F #1F9F6F

split-complementary

#2F1F9F #9F6F1F #4F9F1F

monochromatic

#110B39 #20156C #2F1F9F #3E29D2 #6A5ADF

Accessibility & contrast

On white

11.55

#2F1F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2F1F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F1F9F

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F1F9F	#FFFFFF	#000000	##FFFFFF
##2F1F9F	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA3

Deuteranopia (green-blind)

#00339D

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2f1f9f;
/* rgb */ color: rgb(47, 31, 159);
/* oklch */ color: oklch(36.5% 0.191 276.8);

Tailwind

colors: {
  custom: {
    50: '#795fbd',
    500: '#2f1f9f',
    950: '#000000',
  },
}

SCSS

$custom: #2f1f9f;
$custom-light: #795fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f1f9f",
  "rgb": {
    "r": 47,
    "g": 31,
    "b": 159
  },
  "hsl": {
    "h": 247.5,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.36492,
    "c": 0.19116,
    "h": 276.8
  },
  "luminance": 0.04088
}

Semantic roles & 50–950 ramp

primary

#2F1F9F

secondary

#B5C357

accent

#EA3ED5

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2F1F9F

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

Preview Lab → · Contrast checker → · Palette generator →