#2B1D78#2B1D78

#2B1D78 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.145 H 281.1°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D78
RGB	rgb(43, 29, 120)
HSL	hsl(249, 61%, 29%)
HSV	hsv(249, 76%, 47%)
CMYK	cmyk(64.2%, 75.8%, 0%, 52.9%)
CIE-LAB	lab(19.00, 34.25, -49.50)
CIE-LCH	lch(19.00, 60.19, 304.68°)
OKLab	oklab(31.67% 0.0281 -0.1427)
OKLCH	oklch(31.67% 0.145 281.1)
XYZ	xyz(4.8247, 2.7480, 18.0418)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D78 #6A781D

analogous

#1D3D78 #2B1D78 #591D78

triadic

#2B1D78 #782B1D #1D782B

tetradic

#2B1D78 #781D3D #6A781D #1D7859

square

#2B1D78 #781D3D #6A781D #1D7859

split-complementary

#2B1D78 #78591D #3D781D

monochromatic

#090619 #191147 #2B1D78 #3D29A9 #553FD1

Accessibility & contrast

On white

13.55

#2B1D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#2B1D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D78

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D78	#FFFFFF	#000000	##FFFFFF
##2B1D78	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317B

Deuteranopia (green-blind)

#002B76

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2b1d78;
/* rgb */ color: rgb(43, 29, 120);
/* oklch */ color: oklch(31.7% 0.145 281.1);

Tailwind

colors: {
  custom: {
    50: '#6f5ba0',
    500: '#2b1d78',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d78;
$custom-light: #6f5ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d78",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 120
  },
  "hsl": {
    "h": 249.231,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31671,
    "c": 0.14549,
    "h": 281.1
  },
  "luminance": 0.02748
}

Semantic roles & 50–950 ramp

primary

#2B1D78

secondary

#9CAC45

accent

#E444CB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #2B1D78

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

Preview Lab → · Contrast checker → · Palette generator →