#2B1DA0#2B1DA0

#2B1DA0 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.1% C 0.195 H 275.2°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#2B1DA0
RGB	rgb(43, 29, 160)
HSL	hsl(246, 69%, 37%)
HSV	hsv(246, 82%, 63%)
CMYK	cmyk(73.1%, 81.9%, 0%, 37.3%)
CIE-LAB	lab(23.44, 47.09, -67.16)
CIE-LCH	lch(23.44, 82.02, 305.04°)
OKLab	oklab(36.09% 0.0176 -0.1942)
OKLCH	oklch(36.09% 0.195 275.2)
XYZ	xyz(7.7787, 3.9296, 33.5994)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1DA0 #92A01D

analogous

#1D51A0 #2B1DA0 #6D1DA0

triadic

#2B1DA0 #A02B1D #1DA02B

tetradic

#2B1DA0 #A01D51 #92A01D #1DA06D

square

#2B1DA0 #A01D51 #92A01D #1DA06D

split-complementary

#2B1DA0 #A06D1D #51A01D

monochromatic

#0F0A38 #1D146C #2B1DA0 #3926D4 #6657E1

Accessibility & contrast

On white

11.76

#2B1DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#2B1DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1DA0

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1DA0	#FFFFFF	#000000	##FFFFFF
##2B1DA0	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#00329E

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b1da0;
/* rgb */ color: rgb(43, 29, 160);
/* oklch */ color: oklch(36.1% 0.195 275.2);

Tailwind

colors: {
  custom: {
    50: '#785dbd',
    500: '#2b1da0',
    950: '#000000',
  },
}

SCSS

$custom: #2b1da0;
$custom-light: #785dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1da0",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 160
  },
  "hsl": {
    "h": 246.412,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36088,
    "c": 0.19497,
    "h": 275.2
  },
  "luminance": 0.0393
}

Semantic roles & 50–950 ramp

primary

#2B1DA0

secondary

#B8C455

accent

#EC3CD9

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1DA0

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

Preview Lab → · Contrast checker → · Palette generator →