#2A1BB3#2A1BB3

#2A1BB3 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 38.0% C 0.219 H 273.1°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#2A1BB3
RGB	rgb(42, 27, 179)
HSL	hsl(246, 74%, 40%)
HSV	hsv(246, 85%, 70%)
CMYK	cmyk(76.5%, 84.9%, 0%, 29.8%)
CIE-LAB	lab(25.35, 53.65, -75.46)
CIE-LCH	lch(25.35, 92.58, 305.41°)
OKLab	oklab(38.05% 0.0117 -0.2182)
OKLCH	oklch(38.05% 0.219 273.1)
XYZ	xyz(9.4807, 4.5298, 43.0138)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1BB3 #A4B31B

analogous

#1B58B3 #2A1BB3 #761BB3

triadic

#2A1BB3 #B32A1B #1BB32A

tetradic

#2A1BB3 #B31B58 #A4B31B #1BB376

square

#2A1BB3 #B31B58 #A4B31B #1BB376

split-complementary

#2A1BB3 #B3761B #58B31B

monochromatic

#110B49 #1E137E #2A1BB3 #3E2CDF #6E61E7

Accessibility & contrast

On white

11.02

#2A1BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2A1BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1BB3

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1BB3	#FFFFFF	#000000	##FFFFFF
##2A1BB3	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B7

Deuteranopia (green-blind)

#0035B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a1bb3;
/* rgb */ color: rgb(42, 27, 179);
/* oklch */ color: oklch(38.0% 0.219 273.1);

Tailwind

colors: {
  custom: {
    50: '#7c5ecb',
    500: '#2a1bb3',
    950: '#000000',
  },
}

SCSS

$custom: #2a1bb3;
$custom-light: #7c5ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1bb3",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 179
  },
  "hsl": {
    "h": 245.921,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38047,
    "c": 0.21852,
    "h": 273.1
  },
  "luminance": 0.04531
}

Semantic roles & 50–950 ramp

primary

#2A1BB3

secondary

#C1CC5E

accent

#F037DE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #2A1BB3

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

Preview Lab → · Contrast checker → · Palette generator →