#2B1B86#2B1B86

#2B1B86 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.9% C 0.165 H 279.0°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B86
RGB	rgb(43, 27, 134)
HSL	hsl(249, 66%, 32%)
HSV	hsv(249, 80%, 53%)
CMYK	cmyk(67.9%, 79.9%, 0%, 47.5%)
CIE-LAB	lab(20.12, 39.92, -56.55)
CIE-LCH	lch(20.12, 69.22, 305.22°)
OKLab	oklab(32.9% 0.0258 -0.1633)
OKLCH	oklch(32.9% 0.165 279)
XYZ	xyz(5.6899, 3.0182, 22.8324)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B86 #76861B

analogous

#1B4186 #2B1B86 #611B86

triadic

#2B1B86 #862B1B #1B862B

tetradic

#2B1B86 #861B41 #76861B #1B8661

square

#2B1B86 #861B41 #76861B #1B8661

split-complementary

#2B1B86 #86611B #41861B

monochromatic

#0A0620 #1B1153 #2B1B86 #3B25B9 #5942D9

Accessibility & contrast

On white

13.09

#2B1B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#2B1B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B86

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B86	#FFFFFF	#000000	##FFFFFF
##2B1B86	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003589

Deuteranopia (green-blind)

#002C84

Tritanopia (blue-blind)

#003B50

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b1b86;
/* rgb */ color: rgb(43, 27, 134);
/* oklch */ color: oklch(32.9% 0.165 279.0);

Tailwind

colors: {
  custom: {
    50: '#725aaa',
    500: '#2b1b86',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b86;
$custom-light: #725aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b86",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 134
  },
  "hsl": {
    "h": 248.972,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32903,
    "c": 0.16534,
    "h": 279
  },
  "luminance": 0.03019
}

Semantic roles & 50–950 ramp

primary

#2B1B86

secondary

#A8B944

accent

#E93ED0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1B86

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

Preview Lab → · Contrast checker → · Palette generator →