#2A1B86#2A1B86

#2A1B86 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.8% C 0.166 H 278.5°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#2A1B86
RGB	rgb(42, 27, 134)
HSL	hsl(248, 66%, 32%)
HSV	hsv(248, 80%, 53%)
CMYK	cmyk(68.7%, 79.9%, 0%, 47.5%)
CIE-LAB	lab(20.03, 39.81, -56.69)
CIE-LCH	lch(20.03, 69.28, 305.08°)
OKLab	oklab(32.82% 0.0243 -0.1638)
OKLCH	oklch(32.82% 0.166 278.5)
XYZ	xyz(5.6485, 2.9969, 22.8304)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1B86 #77861B

analogous

#1B4286 #2A1B86 #601B86

triadic

#2A1B86 #862A1B #1B862A

tetradic

#2A1B86 #861B42 #77861B #1B8660

square

#2A1B86 #861B42 #77861B #1B8660

split-complementary

#2A1B86 #86601B #42861B

monochromatic

#0A0620 #1A1153 #2A1B86 #3A25B9 #5842D9

Accessibility & contrast

On white

13.13

#2A1B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#2A1B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1B86

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1B86	#FFFFFF	#000000	##FFFFFF
##2A1B86	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003489

Deuteranopia (green-blind)

#002C84

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #2a1b86;
/* rgb */ color: rgb(42, 27, 134);
/* oklch */ color: oklch(32.8% 0.166 278.5);

Tailwind

colors: {
  custom: {
    50: '#725aaa',
    500: '#2a1b86',
    950: '#000000',
  },
}

SCSS

$custom: #2a1b86;
$custom-light: #725aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1b86",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 134
  },
  "hsl": {
    "h": 248.411,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32822,
    "c": 0.16556,
    "h": 278.5
  },
  "luminance": 0.02997
}

Semantic roles & 50–950 ramp

primary

#2A1B86

secondary

#A9B944

accent

#E93ED1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A1B86

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

Preview Lab → · Contrast checker → · Palette generator →