#2B18A1#2B18A1

#2B18A1 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.7% C 0.200 H 275.5°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#2B18A1
RGB	rgb(43, 24, 161)
HSL	hsl(248, 74%, 36%)
HSV	hsv(248, 85%, 63%)
CMYK	cmyk(73.3%, 85.1%, 0%, 36.9%)
CIE-LAB	lab(22.79, 49.65, -68.84)
CIE-LCH	lch(22.79, 84.88, 305.80°)
OKLab	oklab(35.68% 0.0191 -0.199)
OKLCH	oklch(35.68% 0.2 275.5)
XYZ	xyz(7.7538, 3.7393, 34.0244)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B18A1 #8EA118

analogous

#184AA1 #2B18A1 #7018A1

triadic

#2B18A1 #A12B18 #18A12B

tetradic

#2B18A1 #A1184A #8EA118 #18A170

square

#2B18A1 #A1184A #8EA118 #18A170

split-complementary

#2B18A1 #A17018 #4AA118

monochromatic

#0F0836 #1D106C #2B18A1 #3920D6 #634FE5

Accessibility & contrast

On white

12.01

#2B18A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#2B18A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B18A1

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B18A1	#FFFFFF	#000000	##FFFFFF
##2B18A1	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA5

Deuteranopia (green-blind)

#00309F

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #2b18a1;
/* rgb */ color: rgb(43, 24, 161);
/* oklch */ color: oklch(35.7% 0.200 275.5);

Tailwind

colors: {
  custom: {
    50: '#795bbe',
    500: '#2b18a1',
    950: '#000000',
  },
}

SCSS

$custom: #2b18a1;
$custom-light: #795bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2b18a1",
  "rgb": {
    "r": 43,
    "g": 24,
    "b": 161
  },
  "hsl": {
    "h": 248.321,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35676,
    "c": 0.19987,
    "h": 275.5
  },
  "luminance": 0.0374
}

Semantic roles & 50–950 ramp

primary

#2B18A1

secondary

#B6C74E

accent

#F137D7

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2B18A1

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

Preview Lab → · Contrast checker → · Palette generator →