#2F1F9D#2F1F9D

#2F1F9D is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.3% C 0.189 H 277.1°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#2F1F9D
RGB	rgb(47, 31, 157)
HSL	hsl(248, 67%, 37%)
HSV	hsv(248, 80%, 62%)
CMYK	cmyk(70.1%, 80.3%, 0%, 38.4%)
CIE-LAB	lab(23.73, 45.53, -64.83)
CIE-LCH	lch(23.73, 79.22, 305.08°)
OKLab	oklab(36.27% 0.0232 -0.1873)
OKLCH	oklch(36.27% 0.189 277.1)
XYZ	xyz(7.7461, 4.0179, 32.2591)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F1F9D #8D9D1F

analogous

#1F4E9D #2F1F9D #6E1F9D

triadic

#2F1F9D #9D2F1F #1F9D2F

tetradic

#2F1F9D #9D1F4E #8D9D1F #1F9D6E

square

#2F1F9D #9D1F4E #8D9D1F #1F9D6E

split-complementary

#2F1F9D #9D6E1F #4E9D1F

monochromatic

#100B37 #20156A #2F1F9D #3E29D0 #6958DE

Accessibility & contrast

On white

11.64

#2F1F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#2F1F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F1F9D

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F1F9D	#FFFFFF	#000000	##FFFFFF
##2F1F9D	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA0

Deuteranopia (green-blind)

#00339B

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2f1f9d;
/* rgb */ color: rgb(47, 31, 157);
/* oklch */ color: oklch(36.3% 0.189 277.1);

Tailwind

colors: {
  custom: {
    50: '#795ebb',
    500: '#2f1f9d',
    950: '#000000',
  },
}

SCSS

$custom: #2f1f9d;
$custom-light: #795ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f1f9d",
  "rgb": {
    "r": 47,
    "g": 31,
    "b": 157
  },
  "hsl": {
    "h": 247.619,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36268,
    "c": 0.18877,
    "h": 277.1
  },
  "luminance": 0.04019
}

Semantic roles & 50–950 ramp

primary

#2F1F9D

secondary

#B4C256

accent

#EA3ED4

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2F1F9D

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

Preview Lab → · Contrast checker → · Palette generator →