#2D1B9B#2D1B9B

#2D1B9B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.190 H 276.8°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#2D1B9B
RGB	rgb(45, 27, 155)
HSL	hsl(248, 70%, 36%)
HSV	hsv(248, 83%, 61%)
CMYK	cmyk(71%, 82.6%, 0%, 39.2%)
CIE-LAB	lab(22.68, 46.67, -65.35)
CIE-LCH	lch(22.68, 80.30, 305.53°)
OKLab	oklab(35.43% 0.0227 -0.1888)
OKLCH	oklch(35.43% 0.19 276.8)
XYZ	xyz(7.3886, 3.7076, 31.3303)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D1B9B #899B1B

analogous

#1B499B #2D1B9B #6D1B9B

triadic

#2D1B9B #9B2D1B #1B9B2D

tetradic

#2D1B9B #9B1B49 #899B1B #1B9B6D

square

#2D1B9B #9B1B49 #899B1B #1B9B6D

split-complementary

#2D1B9B #9B6D1B #499B1B

monochromatic

#0F0933 #1E1267 #2D1B9B #3C24CF #6450E0

Accessibility & contrast

On white

12.06

#2D1B9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#2D1B9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D1B9B

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D1B9B	#FFFFFF	#000000	##FFFFFF
##2D1B9B	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9E

Deuteranopia (green-blind)

#003199

Tritanopia (blue-blind)

#00435C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2d1b9b;
/* rgb */ color: rgb(45, 27, 155);
/* oklch */ color: oklch(35.4% 0.190 276.8);

Tailwind

colors: {
  custom: {
    50: '#785cba',
    500: '#2d1b9b',
    950: '#000000',
  },
}

SCSS

$custom: #2d1b9b;
$custom-light: #785cba;
$custom-dark: #000000;

JSON

{
  "hex": "#2d1b9b",
  "rgb": {
    "r": 45,
    "g": 27,
    "b": 155
  },
  "hsl": {
    "h": 248.438,
    "s": 70.33,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35432,
    "c": 0.19019,
    "h": 276.8
  },
  "luminance": 0.03708
}

Semantic roles & 50–950 ramp

primary

#2D1B9B

secondary

#B3C34F

accent

#ED3BD4

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2D1B9B

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

Preview Lab → · Contrast checker → · Palette generator →