#2A1C9B#2A1C9B

#2A1C9B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.3% C 0.190 H 275.4°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#2A1C9B
RGB	rgb(42, 28, 155)
HSL	hsl(247, 69%, 36%)
HSV	hsv(247, 82%, 61%)
CMYK	cmyk(72.9%, 81.9%, 0%, 39.2%)
CIE-LAB	lab(22.61, 45.95, -65.46)
CIE-LCH	lch(22.61, 79.98, 305.06°)
OKLab	oklab(35.33% 0.018 -0.1893)
OKLCH	oklch(35.33% 0.19 275.4)
XYZ	xyz(7.2845, 3.6886, 31.3321)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1C9B #8D9B1C

analogous

#1C4D9B #2A1C9B #691C9B

triadic

#2A1C9B #9B2A1C #1C9B2A

tetradic

#2A1C9B #9B1C4D #8D9B1C #1C9B69

square

#2A1C9B #9B1C4D #8D9B1C #1C9B69

split-complementary

#2A1C9B #9B691C #4D9B1C

monochromatic

#0E0933 #1C1367 #2A1C9B #3825CF #6152E0

Accessibility & contrast

On white

12.08

#2A1C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2A1C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1C9B

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1C9B	#FFFFFF	#000000	##FFFFFF
##2A1C9B	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9E

Deuteranopia (green-blind)

#003099

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2a1c9b;
/* rgb */ color: rgb(42, 28, 155);
/* oklch */ color: oklch(35.3% 0.190 275.4);

Tailwind

colors: {
  custom: {
    50: '#775cba',
    500: '#2a1c9b',
    950: '#000000',
  },
}

SCSS

$custom: #2a1c9b;
$custom-light: #775cba;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1c9b",
  "rgb": {
    "r": 42,
    "g": 28,
    "b": 155
  },
  "hsl": {
    "h": 246.614,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35327,
    "c": 0.19011,
    "h": 275.4
  },
  "luminance": 0.03689
}

Semantic roles & 50–950 ramp

primary

#2A1C9B

secondary

#B6C350

accent

#EC3CD9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2A1C9B

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

Preview Lab → · Contrast checker → · Palette generator →