#2B1B7D#2B1B7D

#2B1B7D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.154 H 280.6°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B7D
RGB	rgb(43, 27, 125)
HSL	hsl(250, 64%, 30%)
HSV	hsv(250, 78%, 49%)
CMYK	cmyk(65.6%, 78.4%, 0%, 51%)
CIE-LAB	lab(19.13, 37.02, -52.48)
CIE-LCH	lch(19.13, 64.23, 305.20°)
OKLab	oklab(31.92% 0.0283 -0.1514)
OKLCH	oklch(31.92% 0.154 280.6)
XYZ	xyz(5.0887, 2.7777, 19.6661)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B7D #6D7D1B

analogous

#1B3C7D #2B1B7D #5C1B7D

triadic

#2B1B7D #7D2B1B #1B7D2B

tetradic

#2B1B7D #7D1B3C #6D7D1B #1B7D5C

square

#2B1B7D #7D1B3C #6D7D1B #1B7D5C

split-complementary

#2B1B7D #7D5C1B #3C7D1B

monochromatic

#090519 #1A104B #2B1B7D #3C26AF #563DD5

Accessibility & contrast

On white

13.50

#2B1B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#2B1B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B7D

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B7D	#FFFFFF	#000000	##FFFFFF
##2B1B7D	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#002B7B

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2b1b7d;
/* rgb */ color: rgb(43, 27, 125);
/* oklch */ color: oklch(31.9% 0.154 280.6);

Tailwind

colors: {
  custom: {
    50: '#705aa4',
    500: '#2b1b7d',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b7d;
$custom-light: #705aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b7d",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 249.796,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31918,
    "c": 0.15407,
    "h": 280.6
  },
  "luminance": 0.02778
}

Semantic roles & 50–950 ramp

primary

#2B1B7D

secondary

#9FB143

accent

#E740CC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2B1B7D

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

Preview Lab → · Contrast checker → · Palette generator →