#2A1C71#2A1C71

#2A1C71 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.138 H 282.2°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#2A1C71
RGB	rgb(42, 28, 113)
HSL	hsl(250, 60%, 28%)
HSV	hsv(250, 75%, 44%)
CMYK	cmyk(62.8%, 75.2%, 0%, 55.7%)
CIE-LAB	lab(17.98, 32.36, -46.67)
CIE-LCH	lch(17.98, 56.79, 304.74°)
OKLab	oklab(30.71% 0.029 -0.1345)
OKLCH	oklch(30.71% 0.138 282.2)
XYZ	xyz(4.3498, 2.5147, 15.8758)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1C71 #63711C

analogous

#1C3971 #2A1C71 #541C71

triadic

#2A1C71 #712A1C #1C712A

tetradic

#2A1C71 #711C39 #63711C #1C7154

square

#2A1C71 #711C39 #63711C #1C7154

split-complementary

#2A1C71 #71541C #39711C

monochromatic

#090619 #181040 #2A1C71 #3C28A2 #5239CE

Accessibility & contrast

On white

13.97

#2A1C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#2A1C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1C71

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1C71	#FFFFFF	#000000	##FFFFFF
##2A1C71	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F74

Deuteranopia (green-blind)

#00296F

Tritanopia (blue-blind)

#003344

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #2a1c71;
/* rgb */ color: rgb(42, 28, 113);
/* oklch */ color: oklch(30.7% 0.138 282.2);

Tailwind

colors: {
  custom: {
    50: '#6d5a9b',
    500: '#2a1c71',
    950: '#000000',
  },
}

SCSS

$custom: #2a1c71;
$custom-light: #6d5a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1c71",
  "rgb": {
    "r": 42,
    "g": 28,
    "b": 113
  },
  "hsl": {
    "h": 249.882,
    "s": 60.284,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30706,
    "c": 0.13759,
    "h": 282.2
  },
  "luminance": 0.02515
}

Semantic roles & 50–950 ramp

primary

#2A1C71

secondary

#95A643

accent

#E344C9

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #2A1C71

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

Preview Lab → · Contrast checker → · Palette generator →