#2A1C8A#2A1C8A

#2A1C8A is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.170 H 277.7°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#2A1C8A
RGB	rgb(42, 28, 138)
HSL	hsl(248, 66%, 33%)
HSV	hsv(248, 80%, 54%)
CMYK	cmyk(69.6%, 79.7%, 0%, 45.9%)
CIE-LAB	lab(20.66, 40.57, -58.16)
CIE-LCH	lch(20.66, 70.91, 304.90°)
OKLab	oklab(33.4% 0.0227 -0.168)
OKLCH	oklch(33.4% 0.17 277.7)
XYZ	xyz(5.9561, 3.1572, 24.3354)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1C8A #7C8A1C

analogous

#1C458A #2A1C8A #611C8A

triadic

#2A1C8A #8A2A1C #1C8A2A

tetradic

#2A1C8A #8A1C45 #7C8A1C #1C8A61

square

#2A1C8A #8A1C45 #7C8A1C #1C8A61

split-complementary

#2A1C8A #8A611C #458A1C

monochromatic

#0B0724 #1B1257 #2A1C8A #3926BD #5947DA

Accessibility & contrast

On white

12.87

#2A1C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#2A1C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1C8A

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1C8A	#FFFFFF	#000000	##FFFFFF
##2A1C8A	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368D

Deuteranopia (green-blind)

#002D88

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2a1c8a;
/* rgb */ color: rgb(42, 28, 138);
/* oklch */ color: oklch(33.4% 0.170 277.7);

Tailwind

colors: {
  custom: {
    50: '#735bad',
    500: '#2a1c8a',
    950: '#000000',
  },
}

SCSS

$custom: #2a1c8a;
$custom-light: #735bad;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1c8a",
  "rgb": {
    "r": 42,
    "g": 28,
    "b": 138
  },
  "hsl": {
    "h": 247.636,
    "s": 66.265,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33396,
    "c": 0.16956,
    "h": 277.7
  },
  "luminance": 0.03158
}

Semantic roles & 50–950 ramp

primary

#2A1C8A

secondary

#ADBB46

accent

#E93FD3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A1C8A

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

Preview Lab → · Contrast checker → · Palette generator →