#2B1C83#2B1C83

#2B1C83 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.7% C 0.161 H 279.3°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C83
RGB	rgb(43, 28, 131)
HSL	hsl(249, 65%, 31%)
HSV	hsv(249, 79%, 51%)
CMYK	cmyk(67.2%, 78.6%, 0%, 48.6%)
CIE-LAB	lab(19.97, 38.42, -54.90)
CIE-LCH	lch(19.97, 67.01, 304.99°)
OKLab	oklab(32.7% 0.0261 -0.1585)
OKLCH	oklch(32.7% 0.161 279.3)
XYZ	xyz(5.5069, 2.9823, 21.7538)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C83 #74831C

analogous

#1C4083 #2B1C83 #5E1C83

triadic

#2B1C83 #832B1C #1C832B

tetradic

#2B1C83 #831C40 #74831C #1C835E

square

#2B1C83 #831C40 #74831C #1C835E

split-complementary

#2B1C83 #835E1C #40831C

monochromatic

#0A061E #1A1151 #2B1C83 #3C27B5 #5843D7

Accessibility & contrast

On white

13.15

#2B1C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#2B1C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C83

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C83	#FFFFFF	#000000	##FFFFFF
##2B1C83	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003486

Deuteranopia (green-blind)

#002C81

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #2b1c83;
/* rgb */ color: rgb(43, 28, 131);
/* oklch */ color: oklch(32.7% 0.161 279.3);

Tailwind

colors: {
  custom: {
    50: '#725ba8',
    500: '#2b1c83',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c83;
$custom-light: #725ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c83",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 131
  },
  "hsl": {
    "h": 248.738,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32704,
    "c": 0.16063,
    "h": 279.3
  },
  "luminance": 0.02983
}

Semantic roles & 50–950 ramp

primary

#2B1C83

secondary

#A6B645

accent

#E840CF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1C83

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

Preview Lab → · Contrast checker → · Palette generator →