#2A1D71#2A1D71

#2A1D71 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.136 H 281.9°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#2A1D71
RGB	rgb(42, 29, 113)
HSL	hsl(249, 59%, 28%)
HSV	hsv(249, 74%, 44%)
CMYK	cmyk(62.8%, 74.3%, 0%, 55.7%)
CIE-LAB	lab(18.20, 31.76, -46.32)
CIE-LCH	lch(18.20, 56.16, 304.44°)
OKLab	oklab(30.86% 0.0281 -0.1335)
OKLCH	oklch(30.86% 0.136 281.9)
XYZ	xyz(4.3739, 2.5629, 15.8838)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1D71 #64711D

analogous

#1D3A71 #2A1D71 #541D71

triadic

#2A1D71 #712A1D #1D712A

tetradic

#2A1D71 #711D3A #64711D #1D7154

square

#2A1D71 #711D3A #64711D #1D7154

split-complementary

#2A1D71 #71541D #3A711D

monochromatic

#090618 #181140 #2A1D71 #3C29A2 #523CCD

Accessibility & contrast

On white

13.88

#2A1D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#2A1D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1D71

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1D71	#FFFFFF	#000000	##FFFFFF
##2A1D71	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F73

Deuteranopia (green-blind)

#00296F

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #2a1d71;
/* rgb */ color: rgb(42, 29, 113);
/* oklch */ color: oklch(30.9% 0.136 281.9);

Tailwind

colors: {
  custom: {
    50: '#6d5a9b',
    500: '#2a1d71',
    950: '#000000',
  },
}

SCSS

$custom: #2a1d71;
$custom-light: #6d5a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1d71",
  "rgb": {
    "r": 42,
    "g": 29,
    "b": 113
  },
  "hsl": {
    "h": 249.286,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3086,
    "c": 0.13641,
    "h": 281.9
  },
  "luminance": 0.02563
}

Semantic roles & 50–950 ramp

primary

#2A1D71

secondary

#96A544

accent

#E245CA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #2A1D71

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

Preview Lab → · Contrast checker → · Palette generator →