#2A1B85#2A1B85

#2A1B85 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.164 H 278.6°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#2A1B85
RGB	rgb(42, 27, 133)
HSL	hsl(248, 66%, 31%)
HSV	hsv(248, 80%, 52%)
CMYK	cmyk(68.4%, 79.7%, 0%, 47.8%)
CIE-LAB	lab(19.92, 39.49, -56.25)
CIE-LCH	lch(19.92, 68.73, 305.07°)
OKLab	oklab(32.71% 0.0246 -0.1625)
OKLCH	oklch(32.71% 0.164 278.6)
XYZ	xyz(5.5791, 2.9691, 22.4648)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1B85 #76851B

analogous

#1B4185 #2A1B85 #5F1B85

triadic

#2A1B85 #852A1B #1B852A

tetradic

#2A1B85 #851B41 #76851B #1B855F

square

#2A1B85 #851B41 #76851B #1B855F

split-complementary

#2A1B85 #855F1B #41851B

monochromatic

#0A061F #1A1152 #2A1B85 #3A25B8 #5742D9

Accessibility & contrast

On white

13.17

#2A1B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#2A1B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1B85

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1B85	#FFFFFF	#000000	##FFFFFF
##2A1B85	1.00	13.17	1.59	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003488

Deuteranopia (green-blind)

#002C83

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #2a1b85;
/* rgb */ color: rgb(42, 27, 133);
/* oklch */ color: oklch(32.7% 0.164 278.6);

Tailwind

colors: {
  custom: {
    50: '#725aaa',
    500: '#2a1b85',
    950: '#000000',
  },
}

SCSS

$custom: #2a1b85;
$custom-light: #725aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1b85",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 133
  },
  "hsl": {
    "h": 248.491,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32711,
    "c": 0.16431,
    "h": 278.6
  },
  "luminance": 0.0297
}

Semantic roles & 50–950 ramp

primary

#2A1B85

secondary

#A8B844

accent

#E93FD1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A1B85

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

Preview Lab → · Contrast checker → · Palette generator →