#2B1A8A#2B1A8A

#2B1A8A is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.171 H 278.5°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#2B1A8A
RGB	rgb(43, 26, 138)
HSL	hsl(249, 68%, 32%)
HSV	hsv(249, 81%, 54%)
CMYK	cmyk(68.8%, 81.2%, 0%, 45.9%)
CIE-LAB	lab(20.39, 41.70, -58.61)
CIE-LCH	lch(20.39, 71.93, 305.43°)
OKLab	oklab(33.23% 0.0252 -0.1693)
OKLCH	oklch(33.23% 0.171 278.5)
XYZ	xyz(5.9516, 3.0868, 24.3220)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1A8A #798A1A

analogous

#1A418A #2B1A8A #631A8A

triadic

#2B1A8A #8A2B1A #1A8A2B

tetradic

#2B1A8A #8A1A41 #798A1A #1A8A63

square

#2B1A8A #8A1A41 #798A1A #1A8A63

split-complementary

#2B1A8A #8A631A #418A1A

monochromatic

#0B0723 #1B1057 #2B1A8A #3B24BD #5A43DC

Accessibility & contrast

On white

12.98

#2B1A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2B1A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1A8A

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1A8A	#FFFFFF	#000000	##FFFFFF
##2B1A8A	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358D

Deuteranopia (green-blind)

#002D88

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b1a8a;
/* rgb */ color: rgb(43, 26, 138);
/* oklch */ color: oklch(33.2% 0.171 278.5);

Tailwind

colors: {
  custom: {
    50: '#735aad',
    500: '#2b1a8a',
    950: '#000000',
  },
}

SCSS

$custom: #2b1a8a;
$custom-light: #735aad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1a8a",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 138
  },
  "hsl": {
    "h": 249.107,
    "s": 68.293,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33226,
    "c": 0.17117,
    "h": 278.5
  },
  "luminance": 0.03087
}

Semantic roles & 50–950 ramp

primary

#2B1A8A

secondary

#AABD43

accent

#EB3DD1

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1A8A

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

Preview Lab → · Contrast checker → · Palette generator →