#2A1C79#2A1C79

#2A1C79 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.148 H 280.5°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#2A1C79
RGB	rgb(42, 28, 121)
HSL	hsl(249, 62%, 29%)
HSV	hsv(249, 77%, 47%)
CMYK	cmyk(65.3%, 76.9%, 0%, 52.5%)
CIE-LAB	lab(18.81, 35.02, -50.46)
CIE-LCH	lch(18.81, 61.42, 304.76°)
OKLab	oklab(31.54% 0.0271 -0.1456)
OKLCH	oklch(31.54% 0.148 280.5)
XYZ	xyz(4.8202, 2.7029, 18.3531)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1C79 #6B791C

analogous

#1C3D79 #2A1C79 #591C79

triadic

#2A1C79 #792A1C #1C792A

tetradic

#2A1C79 #791C3D #6B791C #1C7959

square

#2A1C79 #791C3D #6B791C #1C7959

split-complementary

#2A1C79 #79591C #3D791C

monochromatic

#090619 #191047 #2A1C79 #3B28AB #543DD2

Accessibility & contrast

On white

13.63

#2A1C79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#2A1C79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1C79

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1C79	#FFFFFF	#000000	##FFFFFF
##2A1C79	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317C

Deuteranopia (green-blind)

#002A77

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2a1c79;
/* rgb */ color: rgb(42, 28, 121);
/* oklch */ color: oklch(31.5% 0.148 280.5);

Tailwind

colors: {
  custom: {
    50: '#6f5aa1',
    500: '#2a1c79',
    950: '#000000',
  },
}

SCSS

$custom: #2a1c79;
$custom-light: #6f5aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1c79",
  "rgb": {
    "r": 42,
    "g": 28,
    "b": 121
  },
  "hsl": {
    "h": 249.032,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31543,
    "c": 0.14808,
    "h": 280.5
  },
  "luminance": 0.02703
}

Semantic roles & 50–950 ramp

primary

#2A1C79

secondary

#9DAD44

accent

#E542CD

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2A1C79

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

Preview Lab → · Contrast checker → · Palette generator →