#2A1BB0#2A1BB0

#2A1BB0 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.7% C 0.215 H 273.3°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#2A1BB0
RGB	rgb(42, 27, 176)
HSL	hsl(246, 73%, 40%)
HSV	hsv(246, 85%, 69%)
CMYK	cmyk(76.1%, 84.7%, 0%, 31%)
CIE-LAB	lab(24.98, 52.76, -74.27)
CIE-LCH	lch(24.98, 91.11, 305.39°)
OKLab	oklab(37.69% 0.0125 -0.2148)
OKLCH	oklch(37.69% 0.215 273.3)
XYZ	xyz(9.1806, 4.4097, 41.4332)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1BB0 #A1B01B

analogous

#1B57B0 #2A1BB0 #741BB0

triadic

#2A1BB0 #B02A1B #1BB02A

tetradic

#2A1BB0 #B01B57 #A1B01B #1BB074

square

#2A1BB0 #B01B57 #A1B01B #1BB074

split-complementary

#2A1BB0 #B0741B #57B01B

monochromatic

#110B46 #1D137B #2A1BB0 #3C2ADE #6D5FE6

Accessibility & contrast

On white

11.16

#2A1BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2A1BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1BB0

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1BB0	#FFFFFF	#000000	##FFFFFF
##2A1BB0	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B4

Deuteranopia (green-blind)

#0034AE

Tritanopia (blue-blind)

#004C68

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a1bb0;
/* rgb */ color: rgb(42, 27, 176);
/* oklch */ color: oklch(37.7% 0.215 273.3);

Tailwind

colors: {
  custom: {
    50: '#7c5dc9',
    500: '#2a1bb0',
    950: '#000000',
  },
}

SCSS

$custom: #2a1bb0;
$custom-light: #7c5dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1bb0",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 176
  },
  "hsl": {
    "h": 246.04,
    "s": 73.399,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37689,
    "c": 0.21514,
    "h": 273.3
  },
  "luminance": 0.04411
}

Semantic roles & 50–950 ramp

primary

#2A1BB0

secondary

#C0CB5C

accent

#F038DE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2A1BB0

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

Preview Lab → · Contrast checker → · Palette generator →