#2B1FA9#2B1FA9

#2B1FA9 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.4% C 0.204 H 274.1°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#2B1FA9
RGB	rgb(43, 31, 169)
HSL	hsl(245, 69%, 39%)
HSV	hsv(245, 82%, 66%)
CMYK	cmyk(74.6%, 81.7%, 0%, 33.7%)
CIE-LAB	lab(24.82, 48.92, -70.33)
CIE-LCH	lch(24.82, 85.67, 304.82°)
OKLab	oklab(37.35% 0.0145 -0.2034)
OKLCH	oklch(37.35% 0.204 274.1)
XYZ	xyz(8.6453, 4.3573, 37.9138)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1FA9 #9DA91F

analogous

#1F58A9 #2B1FA9 #701FA9

triadic

#2B1FA9 #A92B1F #1FA92B

tetradic

#2B1FA9 #A91F58 #9DA91F #1FA970

square

#2B1FA9 #A91F58 #9DA91F #1FA970

split-complementary

#2B1FA9 #A9701F #58A91F

monochromatic

#110C42 #1E1675 #2B1FA9 #3C2DD8 #6C60E2

Accessibility & contrast

On white

11.22

#2B1FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2B1FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1FA9

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1FA9	#FFFFFF	#000000	##FFFFFF
##2B1FA9	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AD

Deuteranopia (green-blind)

#0034A7

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b1fa9;
/* rgb */ color: rgb(43, 31, 169);
/* oklch */ color: oklch(37.4% 0.204 274.1);

Tailwind

colors: {
  custom: {
    50: '#7a5fc4',
    500: '#2b1fa9',
    950: '#000000',
  },
}

SCSS

$custom: #2b1fa9;
$custom-light: #7a5fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1fa9",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 169
  },
  "hsl": {
    "h": 245.217,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.37352,
    "c": 0.20392,
    "h": 274.1
  },
  "luminance": 0.04358
}

Semantic roles & 50–950 ramp

primary

#2B1FA9

secondary

#BDC75D

accent

#EC3CDD

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B1FA9

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

Preview Lab → · Contrast checker → · Palette generator →