#2B1A9F#2B1A9F

#2B1A9F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.6% C 0.196 H 275.6°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).

Color values

HEX	#2B1A9F
RGB	rgb(43, 26, 159)
HSL	hsl(248, 72%, 36%)
HSV	hsv(248, 84%, 62%)
CMYK	cmyk(73%, 83.6%, 0%, 37.6%)
CIE-LAB	lab(22.84, 48.18, -67.53)
CIE-LCH	lch(22.84, 82.96, 305.51°)
OKLab	oklab(35.64% 0.019 -0.1952)
OKLCH	oklch(35.64% 0.196 275.6)
XYZ	xyz(7.6216, 3.7548, 33.1173)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1A9F #8E9F1A

analogous

#1A4C9F #2B1A9F #6E1A9F

triadic

#2B1A9F #9F2B1A #1A9F2B

tetradic

#2B1A9F #9F1A4C #8E9F1A #1A9F6E

square

#2B1A9F #9F1A4C #8E9F1A #1A9F6E

split-complementary

#2B1A9F #9F6E1A #4C9F1A

monochromatic

#0F0936 #1D116A #2B1A9F #3923D4 #6351E3

Accessibility & contrast

On white

11.99

#2B1A9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#2B1A9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1A9F

11.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1A9F	#FFFFFF	#000000	##FFFFFF
##2B1A9F	1.00	11.99	1.75	11.99
#FFFFFF	11.99	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA3

Deuteranopia (green-blind)

#00319D

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b1a9f;
/* rgb */ color: rgb(43, 26, 159);
/* oklch */ color: oklch(35.6% 0.196 275.6);

Tailwind

colors: {
  custom: {
    50: '#785cbd',
    500: '#2b1a9f',
    950: '#000000',
  },
}

SCSS

$custom: #2b1a9f;
$custom-light: #785cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1a9f",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 159
  },
  "hsl": {
    "h": 247.669,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35643,
    "c": 0.19612,
    "h": 275.6
  },
  "luminance": 0.03756
}

Semantic roles & 50–950 ramp

primary

#2B1A9F

secondary

#B6C550

accent

#EF39D7

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2B1A9F

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

Preview Lab → · Contrast checker → · Palette generator →