#2B1C78#2B1C78

#2B1C78 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.147 H 281.4°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C78
RGB	rgb(43, 28, 120)
HSL	hsl(250, 62%, 29%)
HSV	hsv(250, 77%, 47%)
CMYK	cmyk(64.2%, 76.7%, 0%, 52.9%)
CIE-LAB	lab(18.80, 34.83, -49.84)
CIE-LCH	lch(18.80, 60.80, 304.95°)
OKLab	oklab(31.53% 0.0289 -0.1437)
OKLCH	oklch(31.53% 0.147 281.4)
XYZ	xyz(4.8006, 2.6998, 18.0338)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C78 #69781C

analogous

#1C3B78 #2B1C78 #591C78

triadic

#2B1C78 #782B1C #1C782B

tetradic

#2B1C78 #781C3B #69781C #1C7859

square

#2B1C78 #781C3B #69781C #1C7859

split-complementary

#2B1C78 #78591C #3B781C

monochromatic

#090619 #191046 #2B1C78 #3D28AA #553DD2

Accessibility & contrast

On white

13.64

#2B1C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#2B1C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C78

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C78	#FFFFFF	#000000	##FFFFFF
##2B1C78	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317B

Deuteranopia (green-blind)

#002A76

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2b1c78;
/* rgb */ color: rgb(43, 28, 120);
/* oklch */ color: oklch(31.5% 0.147 281.4);

Tailwind

colors: {
  custom: {
    50: '#6f5aa0',
    500: '#2b1c78',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c78;
$custom-light: #6f5aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c78",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 120
  },
  "hsl": {
    "h": 249.783,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31525,
    "c": 0.1466,
    "h": 281.4
  },
  "luminance": 0.027
}

Semantic roles & 50–950 ramp

primary

#2B1C78

secondary

#9BAC44

accent

#E543CB

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #2B1C78

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

Preview Lab → · Contrast checker → · Palette generator →