#2B1FA0#2B1FA0

#2B1FA0 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.3% C 0.193 H 275.0°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#2B1FA0
RGB	rgb(43, 31, 160)
HSL	hsl(246, 68%, 37%)
HSV	hsv(246, 81%, 63%)
CMYK	cmyk(73.1%, 80.6%, 0%, 37.3%)
CIE-LAB	lab(23.77, 46.12, -66.60)
CIE-LCH	lch(23.77, 81.01, 304.70°)
OKLab	oklab(36.32% 0.0168 -0.1926)
OKLCH	oklch(36.32% 0.193 275)
XYZ	xyz(7.8293, 4.0309, 33.6163)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1FA0 #94A01F

analogous

#1F54A0 #2B1FA0 #6B1FA0

triadic

#2B1FA0 #A02B1F #1FA02B

tetradic

#2B1FA0 #A01F54 #94A01F #1FA06B

square

#2B1FA0 #A01F54 #94A01F #1FA06B

split-complementary

#2B1FA0 #A06B1F #54A01F

monochromatic

#0F0B39 #1D156D #2B1FA0 #3929D3 #675ADF

Accessibility & contrast

On white

11.63

#2B1FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2B1FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1FA0

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1FA0	#FFFFFF	#000000	##FFFFFF
##2B1FA0	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA4

Deuteranopia (green-blind)

#00339E

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2b1fa0;
/* rgb */ color: rgb(43, 31, 160);
/* oklch */ color: oklch(36.3% 0.193 275.0);

Tailwind

colors: {
  custom: {
    50: '#785ebd',
    500: '#2b1fa0',
    950: '#000000',
  },
}

SCSS

$custom: #2b1fa0;
$custom-light: #785ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1fa0",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 160
  },
  "hsl": {
    "h": 245.581,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36321,
    "c": 0.19331,
    "h": 275
  },
  "luminance": 0.04032
}

Semantic roles & 50–950 ramp

primary

#2B1FA0

secondary

#B9C358

accent

#EA3DDA

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2B1FA0

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

Preview Lab → · Contrast checker → · Palette generator →