#2B1F97#2B1F97

#2B1F97 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.3% C 0.182 H 276.0°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#2B1F97
RGB	rgb(43, 31, 151)
HSL	hsl(246, 66%, 36%)
HSV	hsv(246, 79%, 59%)
CMYK	cmyk(71.5%, 79.5%, 0%, 40.8%)
CIE-LAB	lab(22.75, 43.26, -62.78)
CIE-LCH	lch(22.75, 76.24, 304.57°)
OKLab	oklab(35.31% 0.0192 -0.1815)
OKLCH	oklch(35.31% 0.183 276)
XYZ	xyz(7.0703, 3.7273, 29.6190)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1F97 #8B971F

analogous

#1F4F97 #2B1F97 #671F97

triadic

#2B1F97 #972B1F #1F972B

tetradic

#2B1F97 #971F4F #8B971F #1F9767

square

#2B1F97 #971F4F #8B971F #1F9767

split-complementary

#2B1F97 #97671F #4F971F

monochromatic

#0E0A31 #1D1564 #2B1F97 #3929CA #6254DC

Accessibility & contrast

On white

12.03

#2B1F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#2B1F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1F97

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1F97	#FFFFFF	#000000	##FFFFFF
##2B1F97	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9A

Deuteranopia (green-blind)

#003195

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b1f97;
/* rgb */ color: rgb(43, 31, 151);
/* oklch */ color: oklch(35.3% 0.182 276.0);

Tailwind

colors: {
  custom: {
    50: '#765eb7',
    500: '#2b1f97',
    950: '#000000',
  },
}

SCSS

$custom: #2b1f97;
$custom-light: #765eb7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1f97",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 151
  },
  "hsl": {
    "h": 246,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35306,
    "c": 0.1825,
    "h": 276
  },
  "luminance": 0.03728
}

Semantic roles & 50–950 ramp

primary

#2B1F97

secondary

#B5BF52

accent

#E93FD8

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1F97

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

Preview Lab → · Contrast checker → · Palette generator →