#2B1C8D#2B1C8D

#2B1C8D is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.173 H 277.7°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C8D
RGB	rgb(43, 28, 141)
HSL	hsl(248, 67%, 33%)
HSV	hsv(248, 80%, 55%)
CMYK	cmyk(69.5%, 80.1%, 0%, 44.7%)
CIE-LAB	lab(21.08, 41.63, -59.34)
CIE-LCH	lch(21.08, 72.49, 305.05°)
OKLab	oklab(33.81% 0.0233 -0.1714)
OKLCH	oklch(33.81% 0.173 277.7)
XYZ	xyz(6.2177, 3.2666, 25.4970)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C8D #7E8D1C

analogous

#1C458D #2B1C8D #641C8D

triadic

#2B1C8D #8D2B1C #1C8D2B

tetradic

#2B1C8D #8D1C45 #7E8D1C #1C8D64

square

#2B1C8D #8D1C45 #7E8D1C #1C8D64

split-complementary

#2B1C8D #8D641C #458D1C

monochromatic

#0C0827 #1B125A #2B1C8D #3B26C0 #5C49DB

Accessibility & contrast

On white

12.70

#2B1C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#2B1C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C8D

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C8D	#FFFFFF	#000000	##FFFFFF
##2B1C8D	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#002E8B

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b1c8d;
/* rgb */ color: rgb(43, 28, 141);
/* oklch */ color: oklch(33.8% 0.173 277.7);

Tailwind

colors: {
  custom: {
    50: '#745bb0',
    500: '#2b1c8d',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c8d;
$custom-light: #745bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c8d",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 141
  },
  "hsl": {
    "h": 247.965,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33809,
    "c": 0.17302,
    "h": 277.7
  },
  "luminance": 0.03267
}

Semantic roles & 50–950 ramp

primary

#2B1C8D

secondary

#ADBD48

accent

#EA3ED3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #2B1C8D

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

Preview Lab → · Contrast checker → · Palette generator →