#2B1F91#2B1F91

#2B1F91 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.6% C 0.175 H 276.8°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#2B1F91
RGB	rgb(43, 31, 145)
HSL	hsl(246, 65%, 35%)
HSV	hsv(246, 79%, 57%)
CMYK	cmyk(70.3%, 78.6%, 0%, 43.1%)
CIE-LAB	lab(22.08, 41.33, -60.18)
CIE-LCH	lch(22.08, 73.01, 304.48°)
OKLab	oklab(34.64% 0.0207 -0.1739)
OKLCH	oklch(34.64% 0.175 276.8)
XYZ	xyz(6.5954, 3.5373, 27.1178)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1F91 #85911F

analogous

#1F4C91 #2B1F91 #641F91

triadic

#2B1F91 #912B1F #1F912B

tetradic

#2B1F91 #911F4C #85911F #1F9164

square

#2B1F91 #911F4C #85911F #1F9164

split-complementary

#2B1F91 #91641F #4C911F

monochromatic

#0D092C #1C145F #2B1F91 #3A2AC3 #5F51DA

Accessibility & contrast

On white

12.30

#2B1F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#2B1F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1F91

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1F91	#FFFFFF	#000000	##FFFFFF
##2B1F91	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A94

Deuteranopia (green-blind)

#00308F

Tritanopia (blue-blind)

#004157

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2b1f91;
/* rgb */ color: rgb(43, 31, 145);
/* oklch */ color: oklch(34.6% 0.175 276.8);

Tailwind

colors: {
  custom: {
    50: '#745db2',
    500: '#2b1f91',
    950: '#000000',
  },
}

SCSS

$custom: #2b1f91;
$custom-light: #745db2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1f91",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 145
  },
  "hsl": {
    "h": 246.316,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34639,
    "c": 0.17515,
    "h": 276.8
  },
  "luminance": 0.03538
}

Semantic roles & 50–950 ramp

primary

#2B1F91

secondary

#B1BD4F

accent

#E840D6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1F91

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

Preview Lab → · Contrast checker → · Palette generator →