#2B1F8F#2B1F8F

#2B1F8F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.4% C 0.173 H 277.1°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#2B1F8F
RGB	rgb(43, 31, 143)
HSL	hsl(246, 64%, 34%)
HSV	hsv(246, 78%, 56%)
CMYK	cmyk(69.9%, 78.3%, 0%, 43.9%)
CIE-LAB	lab(21.86, 40.68, -59.30)
CIE-LCH	lch(21.86, 71.92, 304.45°)
OKLab	oklab(34.42% 0.0212 -0.1714)
OKLCH	oklch(34.42% 0.173 277.1)
XYZ	xyz(6.4426, 3.4762, 26.3127)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1F8F #838F1F

analogous

#1F4B8F #2B1F8F #631F8F

triadic

#2B1F8F #8F2B1F #1F8F2B

tetradic

#2B1F8F #8F1F4B #838F1F #1F8F63

square

#2B1F8F #8F1F4B #838F1F #1F8F63

split-complementary

#2B1F8F #8F631F #4B8F1F

monochromatic

#0D092A #1C145D #2B1F8F #3A2AC1 #5E4FD9

Accessibility & contrast

On white

12.39

#2B1F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2B1F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1F8F

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1F8F	#FFFFFF	#000000	##FFFFFF
##2B1F8F	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#00308D

Tritanopia (blue-blind)

#004056

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b1f8f;
/* rgb */ color: rgb(43, 31, 143);
/* oklch */ color: oklch(34.4% 0.173 277.1);

Tailwind

colors: {
  custom: {
    50: '#745db1',
    500: '#2b1f8f',
    950: '#000000',
  },
}

SCSS

$custom: #2b1f8f;
$custom-light: #745db1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1f8f",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 143
  },
  "hsl": {
    "h": 246.429,
    "s": 64.368,
    "l": 34.118
  },
  "oklch": {
    "l": 0.34419,
    "c": 0.17268,
    "h": 277.1
  },
  "luminance": 0.03477
}

Semantic roles & 50–950 ramp

primary

#2B1F8F

secondary

#B0BC4E

accent

#E740D5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #2B1F8F

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

Preview Lab → · Contrast checker → · Palette generator →