#2B1D7E#2B1D7E

#2B1D7E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.153 H 280.0°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D7E
RGB	rgb(43, 29, 126)
HSL	hsl(249, 63%, 30%)
HSV	hsv(249, 77%, 49%)
CMYK	cmyk(65.9%, 77%, 0%, 50.6%)
CIE-LAB	lab(19.63, 36.23, -52.29)
CIE-LCH	lch(19.63, 63.62, 304.72°)
OKLab	oklab(32.3% 0.0267 -0.1509)
OKLCH	oklch(32.3% 0.153 280)
XYZ	xyz(5.2003, 2.8983, 20.0200)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D7E #707E1D

analogous

#1D3F7E #2B1D7E #5B1D7E

triadic

#2B1D7E #7E2B1D #1D7E2B

tetradic

#2B1D7E #7E1D3F #707E1D #1D7E5B

square

#2B1D7E #7E1D3F #707E1D #1D7E5B

split-complementary

#2B1D7E #7E5B1D #3F7E1D

monochromatic

#09061B #1A124C #2B1D7E #3C28B0 #5742D3

Accessibility & contrast

On white

13.29

#2B1D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#2B1D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D7E

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D7E	#FFFFFF	#000000	##FFFFFF
##2B1D7E	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003381

Deuteranopia (green-blind)

#002C7C

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #2b1d7e;
/* rgb */ color: rgb(43, 29, 126);
/* oklch */ color: oklch(32.3% 0.153 280.0);

Tailwind

colors: {
  custom: {
    50: '#705ba4',
    500: '#2b1d7e',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d7e;
$custom-light: #705ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d7e",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 126
  },
  "hsl": {
    "h": 248.66,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.32303,
    "c": 0.15326,
    "h": 280
  },
  "luminance": 0.02899
}

Semantic roles & 50–950 ramp

primary

#2B1D7E

secondary

#A2B145

accent

#E642CE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2B1D7E

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

Preview Lab → · Contrast checker → · Palette generator →