#2B1F90#2B1F90

#2B1F90 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.174 H 276.9°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B1F90
RGB	rgb(43, 31, 144)
HSL	hsl(246, 65%, 34%)
HSV	hsv(246, 78%, 56%)
CMYK	cmyk(70.1%, 78.5%, 0%, 43.5%)
CIE-LAB	lab(21.97, 41.01, -59.74)
CIE-LCH	lch(21.97, 72.46, 304.47°)
OKLab	oklab(34.53% 0.021 -0.1726)
OKLCH	oklch(34.53% 0.174 276.9)
XYZ	xyz(6.5186, 3.5066, 26.7135)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1F90 #84901F

analogous

#1F4C90 #2B1F90 #641F90

triadic

#2B1F90 #902B1F #1F902B

tetradic

#2B1F90 #901F4C #84901F #1F9064

square

#2B1F90 #901F4C #84901F #1F9064

split-complementary

#2B1F90 #90641F #4C901F

monochromatic

#0D092B #1C145E #2B1F90 #3A2AC2 #5F50D9

Accessibility & contrast

On white

12.34

#2B1F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2B1F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1F90

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1F90	#FFFFFF	#000000	##FFFFFF
##2B1F90	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003993

Deuteranopia (green-blind)

#00308E

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2b1f90;
/* rgb */ color: rgb(43, 31, 144);
/* oklch */ color: oklch(34.5% 0.174 276.9);

Tailwind

colors: {
  custom: {
    50: '#745db2',
    500: '#2b1f90',
    950: '#000000',
  },
}

SCSS

$custom: #2b1f90;
$custom-light: #745db2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1f90",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 144
  },
  "hsl": {
    "h": 246.372,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34529,
    "c": 0.17392,
    "h": 276.9
  },
  "luminance": 0.03507
}

Semantic roles & 50–950 ramp

primary

#2B1F90

secondary

#B1BC4E

accent

#E840D6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #2B1F90

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

Preview Lab → · Contrast checker → · Palette generator →