#2A1BC9#2A1BC9

#2A1BC9 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.7% C 0.243 H 271.4°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#2A1BC9
RGB	rgb(42, 27, 201)
HSL	hsl(245, 76%, 45%)
HSV	hsv(245, 87%, 79%)
CMYK	cmyk(79.1%, 86.6%, 0%, 21.2%)
CIE-LAB	lab(28.09, 59.98, -83.91)
CIE-LCH	lch(28.09, 103.15, 305.56°)
OKLab	oklab(40.7% 0.0058 -0.2427)
OKLCH	oklch(40.7% 0.243 271.4)
XYZ	xyz(11.8858, 5.4918, 55.6806)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1BC9 #BAC91B

analogous

#1B63C9 #2A1BC9 #811BC9

triadic

#2A1BC9 #C92A1B #1BC92A

tetradic

#2A1BC9 #C91B63 #BAC91B #1BC981

square

#2A1BC9 #C91B63 #BAC91B #1BC981

split-complementary

#2A1BC9 #C9811B #63C91B

monochromatic

#130D5D #1F1493 #2A1BC9 #4B3CE5 #7D72EC

Accessibility & contrast

On white

10.01

#2A1BC9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2A1BC9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1BC9

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1BC9	#FFFFFF	#000000	##FFFFFF
##2A1BC9	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ACD

Deuteranopia (green-blind)

#0039C6

Tritanopia (blue-blind)

#005777

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a1bc9;
/* rgb */ color: rgb(42, 27, 201);
/* oklch */ color: oklch(40.7% 0.243 271.4);

Tailwind

colors: {
  custom: {
    50: '#8260db',
    500: '#2a1bc9',
    950: '#000000',
  },
}

SCSS

$custom: #2a1bc9;
$custom-light: #8260db;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1bc9",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 201
  },
  "hsl": {
    "h": 245.172,
    "s": 76.316,
    "l": 44.706
  },
  "oklch": {
    "l": 0.40701,
    "c": 0.24274,
    "h": 271.4
  },
  "luminance": 0.05493
}

Semantic roles & 50–950 ramp

primary

#2A1BC9

secondary

#CAD36D

accent

#F335E3

background

#F9F5FD

surface

#F1EAFB

border

#CBC6D4

text

#0D0515

muted

#7E7983

Preview Lab

Preview with #2A1BC9

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

Preview Lab → · Contrast checker → · Palette generator →