#2B1E73#2B1E73

#2B1E73 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.138 H 281.9°. Best body text is #FFFFFF at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#2B1E73
RGB	rgb(43, 30, 115)
HSL	hsl(249, 59%, 28%)
HSV	hsv(249, 74%, 45%)
CMYK	cmyk(62.6%, 73.9%, 0%, 54.9%)
CIE-LAB	lab(18.71, 31.98, -46.77)
CIE-LCH	lch(18.71, 56.66, 304.37°)
OKLab	oklab(31.31% 0.0284 -0.1348)
OKLCH	oklch(31.31% 0.138 281.9)
XYZ	xyz(4.5541, 2.6796, 16.4936)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1E73 #66731E

analogous

#1E3B73 #2B1E73 #551E73

triadic

#2B1E73 #732B1E #1E732B

tetradic

#2B1E73 #731E3B #66731E #1E7355

square

#2B1E73 #731E3B #66731E #1E7355

split-complementary

#2B1E73 #73551E #3B731E

monochromatic

#090618 #191142 #2B1E73 #3D2BA4 #543FCD

Accessibility & contrast

On white

13.67

#2B1E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#2B1E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1E73

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1E73	#FFFFFF	#000000	##FFFFFF
##2B1E73	1.00	13.67	1.54	13.67
#FFFFFF	13.67	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003076

Deuteranopia (green-blind)

#002A71

Tritanopia (blue-blind)

#003546

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2b1e73;
/* rgb */ color: rgb(43, 30, 115);
/* oklch */ color: oklch(31.3% 0.138 281.9);

Tailwind

colors: {
  custom: {
    50: '#6e5b9c',
    500: '#2b1e73',
    950: '#000000',
  },
}

SCSS

$custom: #2b1e73;
$custom-light: #6e5b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1e73",
  "rgb": {
    "r": 43,
    "g": 30,
    "b": 115
  },
  "hsl": {
    "h": 249.176,
    "s": 58.621,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31309,
    "c": 0.13772,
    "h": 281.9
  },
  "luminance": 0.0268
}

Semantic roles & 50–950 ramp

primary

#2B1E73

secondary

#98A746

accent

#E246CA

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #2B1E73

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

Preview Lab → · Contrast checker → · Palette generator →