#2B1C79#2B1C79

#2B1C79 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.148 H 281.2°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#2B1C79
RGB	rgb(43, 28, 121)
HSL	hsl(250, 62%, 29%)
HSV	hsv(250, 77%, 47%)
CMYK	cmyk(64.5%, 76.9%, 0%, 52.5%)
CIE-LAB	lab(18.90, 35.16, -50.30)
CIE-LCH	lch(18.90, 61.37, 304.95°)
OKLab	oklab(31.63% 0.0286 -0.1451)
OKLCH	oklch(31.63% 0.148 281.2)
XYZ	xyz(4.8616, 2.7242, 18.3551)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1C79 #6A791C

analogous

#1C3C79 #2B1C79 #5A1C79

triadic

#2B1C79 #792B1C #1C792B

tetradic

#2B1C79 #791C3C #6A791C #1C795A

square

#2B1C79 #791C3C #6A791C #1C795A

split-complementary

#2B1C79 #795A1C #3C791C

monochromatic

#090619 #191047 #2B1C79 #3D28AB #553DD2

Accessibility & contrast

On white

13.59

#2B1C79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#2B1C79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1C79

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1C79	#FFFFFF	#000000	##FFFFFF
##2B1C79	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317C

Deuteranopia (green-blind)

#002A77

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2b1c79;
/* rgb */ color: rgb(43, 28, 121);
/* oklch */ color: oklch(31.6% 0.148 281.2);

Tailwind

colors: {
  custom: {
    50: '#6f5aa1',
    500: '#2b1c79',
    950: '#000000',
  },
}

SCSS

$custom: #2b1c79;
$custom-light: #6f5aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1c79",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 121
  },
  "hsl": {
    "h": 249.677,
    "s": 62.416,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31631,
    "c": 0.1479,
    "h": 281.2
  },
  "luminance": 0.02725
}

Semantic roles & 50–950 ramp

primary

#2B1C79

secondary

#9CAD44

accent

#E542CB

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2B1C79

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

Preview Lab → · Contrast checker → · Palette generator →