#2B1FB0#2B1FB0

#2B1FB0 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.2% C 0.212 H 273.4°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#2B1FB0
RGB	rgb(43, 31, 176)
HSL	hsl(245, 70%, 41%)
HSV	hsv(245, 82%, 69%)
CMYK	cmyk(75.6%, 82.4%, 0%, 31%)
CIE-LAB	lab(25.65, 51.06, -73.17)
CIE-LCH	lch(25.65, 89.22, 304.91°)
OKLab	oklab(38.16% 0.0127 -0.2116)
OKLCH	oklch(38.16% 0.212 273.4)
XYZ	xyz(9.3201, 4.6272, 41.4678)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1FB0 #A4B01F

analogous

#1F5BB0 #2B1FB0 #741FB0

triadic

#2B1FB0 #B02B1F #1FB02B

tetradic

#2B1FB0 #B01F5B #A4B01F #1FB074

square

#2B1FB0 #B01F5B #A4B01F #1FB074

split-complementary

#2B1FB0 #B0741F #5BB01F

monochromatic

#120D48 #1E167C #2B1FB0 #3F31DB #7065E4

Accessibility & contrast

On white

10.91

#2B1FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2B1FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1FB0

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1FB0	#FFFFFF	#000000	##FFFFFF
##2B1FB0	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B4

Deuteranopia (green-blind)

#0036AE

Tritanopia (blue-blind)

#004D69

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b1fb0;
/* rgb */ color: rgb(43, 31, 176);
/* oklch */ color: oklch(38.2% 0.212 273.4);

Tailwind

colors: {
  custom: {
    50: '#7c5fc9',
    500: '#2b1fb0',
    950: '#000000',
  },
}

SCSS

$custom: #2b1fb0;
$custom-light: #7c5fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1fb0",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 176
  },
  "hsl": {
    "h": 244.966,
    "s": 70.048,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38163,
    "c": 0.21202,
    "h": 273.4
  },
  "luminance": 0.04628
}

Semantic roles & 50–950 ramp

primary

#2B1FB0

secondary

#C1C962

accent

#ED3BDE

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B1FB0

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

Preview Lab → · Contrast checker → · Palette generator →