#2A1C9C#2A1C9C

#2A1C9C is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.191 H 275.3°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#2A1C9C
RGB	rgb(42, 28, 156)
HSL	hsl(247, 70%, 36%)
HSV	hsv(247, 82%, 61%)
CMYK	cmyk(73.1%, 82.1%, 0%, 38.8%)
CIE-LAB	lab(22.73, 46.26, -65.88)
CIE-LCH	lch(22.73, 80.50, 305.07°)
OKLab	oklab(35.44% 0.0177 -0.1905)
OKLCH	oklch(35.44% 0.191 275.3)
XYZ	xyz(7.3689, 3.7223, 31.7762)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1C9C #8E9C1C

analogous

#1C4E9C #2A1C9C #6A1C9C

triadic

#2A1C9C #9C2A1C #1C9C2A

tetradic

#2A1C9C #9C1C4E #8E9C1C #1C9C6A

square

#2A1C9C #9C1C4E #8E9C1C #1C9C6A

split-complementary

#2A1C9C #9C6A1C #4E9C1C

monochromatic

#0E0934 #1C1368 #2A1C9C #3825D0 #6252E0

Accessibility & contrast

On white

12.04

#2A1C9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2A1C9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1C9C

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1C9C	#FFFFFF	#000000	##FFFFFF
##2A1C9C	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9F

Deuteranopia (green-blind)

#00309A

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2a1c9c;
/* rgb */ color: rgb(42, 28, 156);
/* oklch */ color: oklch(35.4% 0.191 275.3);

Tailwind

colors: {
  custom: {
    50: '#775cbb',
    500: '#2a1c9c',
    950: '#000000',
  },
}

SCSS

$custom: #2a1c9c;
$custom-light: #775cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1c9c",
  "rgb": {
    "r": 42,
    "g": 28,
    "b": 156
  },
  "hsl": {
    "h": 246.563,
    "s": 69.565,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35443,
    "c": 0.1913,
    "h": 275.3
  },
  "luminance": 0.03723
}

Semantic roles & 50–950 ramp

primary

#2A1C9C

secondary

#B6C351

accent

#EC3BD9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2A1C9C

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

Preview Lab → · Contrast checker → · Palette generator →