#2B1CA0#2B1CA0

#2B1CA0 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.0% C 0.196 H 275.3°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#2B1CA0
RGB	rgb(43, 28, 160)
HSL	hsl(247, 70%, 37%)
HSV	hsv(247, 83%, 63%)
CMYK	cmyk(73.1%, 82.5%, 0%, 37.3%)
CIE-LAB	lab(23.28, 47.57, -67.42)
CIE-LCH	lch(23.28, 82.52, 305.20°)
OKLab	oklab(35.98% 0.018 -0.1949)
OKLCH	oklch(35.98% 0.196 275.3)
XYZ	xyz(7.7546, 3.8814, 33.5914)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1CA0 #91A01C

analogous

#1C4FA0 #2B1CA0 #6D1CA0

triadic

#2B1CA0 #A02B1C #1CA02B

tetradic

#2B1CA0 #A01C4F #91A01C #1CA06D

square

#2B1CA0 #A01C4F #91A01C #1CA06D

split-complementary

#2B1CA0 #A06D1C #4FA01C

monochromatic

#0F0A38 #1D136C #2B1CA0 #3925D4 #6555E1

Accessibility & contrast

On white

11.82

#2B1CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#2B1CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1CA0

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1CA0	#FFFFFF	#000000	##FFFFFF
##2B1CA0	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#00319E

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b1ca0;
/* rgb */ color: rgb(43, 28, 160);
/* oklch */ color: oklch(36.0% 0.196 275.3);

Tailwind

colors: {
  custom: {
    50: '#785dbd',
    500: '#2b1ca0',
    950: '#000000',
  },
}

SCSS

$custom: #2b1ca0;
$custom-light: #785dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1ca0",
  "rgb": {
    "r": 43,
    "g": 28,
    "b": 160
  },
  "hsl": {
    "h": 246.818,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35975,
    "c": 0.19576,
    "h": 275.3
  },
  "luminance": 0.03882
}

Semantic roles & 50–950 ramp

primary

#2B1CA0

secondary

#B8C453

accent

#ED3BD9

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2B1CA0

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

Preview Lab → · Contrast checker → · Palette generator →