#2A1C74#2A1C74

#2A1C74 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.142 H 281.5°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#2A1C74
RGB	rgb(42, 28, 116)
HSL	hsl(250, 61%, 28%)
HSV	hsv(250, 76%, 45%)
CMYK	cmyk(63.8%, 75.9%, 0%, 54.5%)
CIE-LAB	lab(18.29, 33.36, -48.10)
CIE-LCH	lch(18.29, 58.54, 304.74°)
OKLab	oklab(31.02% 0.0283 -0.1387)
OKLCH	oklch(31.02% 0.142 281.5)
XYZ	xyz(4.5215, 2.5834, 16.7800)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1C74 #66741C

analogous

#1C3A74 #2A1C74 #561C74

triadic

#2A1C74 #742A1C #1C742A

tetradic

#2A1C74 #741C3A #66741C #1C7456

square

#2A1C74 #741C3A #66741C #1C7456

split-complementary

#2A1C74 #74561C #3A741C

monochromatic

#090619 #181043 #2A1C74 #3C28A5 #523BD0

Accessibility & contrast

On white

13.84

#2A1C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#2A1C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1C74

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1C74	#FFFFFF	#000000	##FFFFFF
##2A1C74	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003077

Deuteranopia (green-blind)

#002972

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #2a1c74;
/* rgb */ color: rgb(42, 28, 116);
/* oklch */ color: oklch(31.0% 0.142 281.5);

Tailwind

colors: {
  custom: {
    50: '#6e5a9d',
    500: '#2a1c74',
    950: '#000000',
  },
}

SCSS

$custom: #2a1c74;
$custom-light: #6e5a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1c74",
  "rgb": {
    "r": 42,
    "g": 28,
    "b": 116
  },
  "hsl": {
    "h": 249.545,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31017,
    "c": 0.14156,
    "h": 281.5
  },
  "luminance": 0.02584
}

Semantic roles & 50–950 ramp

primary

#2A1C74

secondary

#98A843

accent

#E444CB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #2A1C74

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

Preview Lab → · Contrast checker → · Palette generator →