#2B1D9F#2B1D9F

#2B1D9F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.0% C 0.194 H 275.3°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#2B1D9F
RGB	rgb(43, 29, 159)
HSL	hsl(246, 69%, 37%)
HSV	hsv(246, 82%, 62%)
CMYK	cmyk(73%, 81.8%, 0%, 37.6%)
CIE-LAB	lab(23.32, 46.78, -66.74)
CIE-LCH	lch(23.32, 81.50, 305.03°)
OKLab	oklab(35.97% 0.0179 -0.193)
OKLCH	oklch(35.97% 0.194 275.3)
XYZ	xyz(7.6916, 3.8948, 33.1406)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1D9F #919F1D

analogous

#1D509F #2B1D9F #6C1D9F

triadic

#2B1D9F #9F2B1D #1D9F2B

tetradic

#2B1D9F #9F1D50 #919F1D #1D9F6C

square

#2B1D9F #9F1D50 #919F1D #1D9F6C

split-complementary

#2B1D9F #9F6C1D #509F1D

monochromatic

#0F0A37 #1D146B #2B1D9F #3926D3 #6556E0

Accessibility & contrast

On white

11.80

#2B1D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#2B1D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1D9F

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1D9F	#FFFFFF	#000000	##FFFFFF
##2B1D9F	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA3

Deuteranopia (green-blind)

#00329D

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b1d9f;
/* rgb */ color: rgb(43, 29, 159);
/* oklch */ color: oklch(36.0% 0.194 275.3);

Tailwind

colors: {
  custom: {
    50: '#785dbd',
    500: '#2b1d9f',
    950: '#000000',
  },
}

SCSS

$custom: #2b1d9f;
$custom-light: #785dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1d9f",
  "rgb": {
    "r": 43,
    "g": 29,
    "b": 159
  },
  "hsl": {
    "h": 246.462,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35973,
    "c": 0.19379,
    "h": 275.3
  },
  "luminance": 0.03896
}

Semantic roles & 50–950 ramp

primary

#2B1D9F

secondary

#B8C454

accent

#EC3CD9

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #2B1D9F

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

Preview Lab → · Contrast checker → · Palette generator →