#2B1C94#2B1C94

#2B1C94 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.6% C 0.182 H 276.8°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C94
RGB	rgb(43, 28, 148)
HSL	hsl(248, 68%, 35%)
HSV	hsv(248, 81%, 58%)
CMYK	cmyk(70.9%, 81.1%, 0%, 42%)
CIE-LAB	lab(21.88, 43.84, -62.37)
CIE-LCH	lch(21.88, 76.24, 305.11°)
OKLab	oklab(34.6% 0.0214 -0.1802)
OKLCH	oklch(34.6% 0.182 276.8)
XYZ	xyz(6.7551, 3.4816, 28.3273)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C94 #85941C

analogous

#1C4994 #2B1C94 #671C94

triadic

#2B1C94 #942B1C #1C942B

tetradic

#2B1C94 #941C49 #85941C #1C9467

square

#2B1C94 #941C49 #85941C #1C9467

split-complementary

#2B1C94 #94671C #49941C

monochromatic

#0D092D #1C1261 #2B1C94 #3A26C7 #5F4DDD

Accessibility & contrast

On white

12.38

#2B1C94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2B1C94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C94

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C94	#FFFFFF	#000000	##FFFFFF
##2B1C94	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003997

Deuteranopia (green-blind)

#002F92

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2b1c94;
/* rgb */ color: rgb(43, 28, 148);
/* oklch */ color: oklch(34.6% 0.182 276.8);

Tailwind

colors: {
  custom: {
    50: '#755cb5',
    500: '#2b1c94',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c94;
$custom-light: #755cb5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c94",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 148
  },
  "hsl": {
    "h": 247.5,
    "s": 68.182,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34598,
    "c": 0.18151,
    "h": 276.8
  },
  "luminance": 0.03482
}

Semantic roles & 50–950 ramp

primary

#2B1C94

secondary

#B1C04C

accent

#EB3DD5

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1C94

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

Preview Lab → · Contrast checker → · Palette generator →