#2B1B7C#2B1B7C

#2B1B7C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.8% C 0.153 H 280.8°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B7C
RGB	rgb(43, 27, 124)
HSL	hsl(250, 64%, 30%)
HSV	hsv(250, 78%, 49%)
CMYK	cmyk(65.3%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(19.02, 36.70, -52.02)
CIE-LCH	lch(19.02, 63.66, 305.20°)
OKLab	oklab(31.81% 0.0286 -0.1501)
OKLCH	oklch(31.81% 0.153 280.8)
XYZ	xyz(5.0251, 2.7523, 19.3313)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B7C #6C7C1B

analogous

#1B3C7C #2B1B7C #5C1B7C

triadic

#2B1B7C #7C2B1B #1B7C2B

tetradic

#2B1B7C #7C1B3C #6C7C1B #1B7C5C

square

#2B1B7C #7C1B3C #6C7C1B #1B7C5C

split-complementary

#2B1B7C #7C5C1B #3C7C1B

monochromatic

#090519 #1A104A #2B1B7C #3C26AE #563DD5

Accessibility & contrast

On white

13.54

#2B1B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#2B1B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B7C

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B7C	#FFFFFF	#000000	##FFFFFF
##2B1B7C	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327F

Deuteranopia (green-blind)

#002B7A

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2b1b7c;
/* rgb */ color: rgb(43, 27, 124);
/* oklch */ color: oklch(31.8% 0.153 280.8);

Tailwind

colors: {
  custom: {
    50: '#705aa3',
    500: '#2b1b7c',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b7c;
$custom-light: #705aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b7c",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 249.897,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31811,
    "c": 0.1528,
    "h": 280.8
  },
  "luminance": 0.02753
}

Semantic roles & 50–950 ramp

primary

#2B1B7C

secondary

#9EB043

accent

#E741CC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2B1B7C

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

Preview Lab → · Contrast checker → · Palette generator →