#2B1E71#2B1E71

#2B1E71 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.135 H 282.3°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#2B1E71
RGB	rgb(43, 30, 113)
HSL	hsl(249, 58%, 28%)
HSV	hsv(249, 73%, 44%)
CMYK	cmyk(61.9%, 73.5%, 0%, 55.7%)
CIE-LAB	lab(18.51, 31.31, -45.80)
CIE-LCH	lch(18.51, 55.48, 304.36°)
OKLab	oklab(31.11% 0.0288 -0.1319)
OKLCH	oklch(31.11% 0.135 282.3)
XYZ	xyz(4.4402, 2.6341, 15.8940)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1E71 #64711E

analogous

#1E3A71 #2B1E71 #541E71

triadic

#2B1E71 #712B1E #1E712B

tetradic

#2B1E71 #711E3A #64711E #1E7154

square

#2B1E71 #711E3A #64711E #1E7154

split-complementary

#2B1E71 #71541E #3A711E

monochromatic

#090618 #191141 #2B1E71 #3D2BA1 #543ECC

Accessibility & contrast

On white

13.75

#2B1E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#2B1E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1E71

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1E71	#FFFFFF	#000000	##FFFFFF
##2B1E71	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003073

Deuteranopia (green-blind)

#002A6F

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #2b1e71;
/* rgb */ color: rgb(43, 30, 113);
/* oklch */ color: oklch(31.1% 0.135 282.3);

Tailwind

colors: {
  custom: {
    50: '#6d5b9b',
    500: '#2b1e71',
    950: '#000000',
  },
}

SCSS

$custom: #2b1e71;
$custom-light: #6d5b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1e71",
  "rgb": {
    "r": 43,
    "g": 30,
    "b": 113
  },
  "hsl": {
    "h": 249.398,
    "s": 58.042,
    "l": 28.039
  },
  "oklch": {
    "l": 0.31107,
    "c": 0.13504,
    "h": 282.3
  },
  "luminance": 0.02634
}

Semantic roles & 50–950 ramp

primary

#2B1E71

secondary

#96A546

accent

#E147C9

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #2B1E71

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

Preview Lab → · Contrast checker → · Palette generator →