#2B1BA7#2B1BA7

#2B1BA7 is a dark, highly saturated blue. Relative luminance 0.041; OKLCH L 36.7% C 0.205 H 274.6°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#2B1BA7
RGB	rgb(43, 27, 167)
HSL	hsl(247, 72%, 38%)
HSV	hsv(247, 84%, 65%)
CMYK	cmyk(74.3%, 83.8%, 0%, 34.5%)
CIE-LAB	lab(23.96, 50.15, -70.55)
CIE-LCH	lch(23.96, 86.56, 305.40°)
OKLab	oklab(36.69% 0.0163 -0.204)
OKLCH	oklch(36.69% 0.205 274.6)
XYZ	xyz(8.3609, 4.0866, 36.8999)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1BA7 #97A71B

analogous

#1B51A7 #2B1BA7 #711BA7

triadic

#2B1BA7 #A72B1B #1BA72B

tetradic

#2B1BA7 #A71B51 #97A71B #1BA771

square

#2B1BA7 #A71B51 #97A71B #1BA771

split-complementary

#2B1BA7 #A7711B #51A71B

monochromatic

#100A3E #1D1272 #2B1BA7 #3924DC #6858E4

Accessibility & contrast

On white

11.55

#2B1BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2B1BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1BA7

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1BA7	#FFFFFF	#000000	##FFFFFF
##2B1BA7	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAB

Deuteranopia (green-blind)

#0032A5

Tritanopia (blue-blind)

#004863

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2b1ba7;
/* rgb */ color: rgb(43, 27, 167);
/* oklch */ color: oklch(36.7% 0.205 274.6);

Tailwind

colors: {
  custom: {
    50: '#7a5dc3',
    500: '#2b1ba7',
    950: '#000000',
  },
}

SCSS

$custom: #2b1ba7;
$custom-light: #7a5dc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1ba7",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 167
  },
  "hsl": {
    "h": 246.857,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.36687,
    "c": 0.20463,
    "h": 274.6
  },
  "luminance": 0.04087
}

Semantic roles & 50–950 ramp

primary

#2B1BA7

secondary

#BBC856

accent

#EF39DA

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #2B1BA7

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

Preview Lab → · Contrast checker → · Palette generator →