#2A1D73#2A1D73

#2A1D73 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.139 H 281.5°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#2A1D73
RGB	rgb(42, 29, 115)
HSL	hsl(249, 60%, 28%)
HSV	hsv(249, 75%, 45%)
CMYK	cmyk(63.5%, 74.8%, 0%, 54.9%)
CIE-LAB	lab(18.40, 32.43, -47.28)
CIE-LCH	lch(18.40, 57.33, 304.45°)
OKLab	oklab(31.07% 0.0277 -0.1363)
OKLCH	oklch(31.07% 0.139 281.5)
XYZ	xyz(4.4878, 2.6085, 16.4833)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1D73 #66731D

analogous

#1D3B73 #2A1D73 #551D73

triadic

#2A1D73 #732A1D #1D732A

tetradic

#2A1D73 #731D3B #66731D #1D7355

square

#2A1D73 #731D3B #66731D #1D7355

split-complementary

#2A1D73 #73551D #3B731D

monochromatic

#090618 #181142 #2A1D73 #3C29A4 #523CCE

Accessibility & contrast

On white

13.80

#2A1D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#2A1D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1D73

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1D73	#FFFFFF	#000000	##FFFFFF
##2A1D73	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003076

Deuteranopia (green-blind)

#002A71

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #2a1d73;
/* rgb */ color: rgb(42, 29, 115);
/* oklch */ color: oklch(31.1% 0.139 281.5);

Tailwind

colors: {
  custom: {
    50: '#6d5a9c',
    500: '#2a1d73',
    950: '#000000',
  },
}

SCSS

$custom: #2a1d73;
$custom-light: #6d5a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1d73",
  "rgb": {
    "r": 42,
    "g": 29,
    "b": 115
  },
  "hsl": {
    "h": 249.07,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31065,
    "c": 0.13908,
    "h": 281.5
  },
  "luminance": 0.02609
}

Semantic roles & 50–950 ramp

primary

#2A1D73

secondary

#98A745

accent

#E345CB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #2A1D73

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

Preview Lab → · Contrast checker → · Palette generator →