#2B16B4#2B16B4

#2B16B4 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.8% C 0.222 H 273.5°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#2B16B4
RGB	rgb(43, 22, 180)
HSL	hsl(248, 78%, 40%)
HSV	hsv(248, 88%, 71%)
CMYK	cmyk(76.1%, 87.8%, 0%, 29.4%)
CIE-LAB	lab(24.90, 55.92, -76.81)
CIE-LCH	lch(24.90, 95.01, 306.06°)
OKLab	oklab(37.79% 0.0138 -0.222)
OKLCH	oklch(37.79% 0.222 273.5)
XYZ	xyz(9.5187, 4.3817, 43.5153)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B16B4 #9FB416

analogous

#1650B4 #2B16B4 #7A16B4

triadic

#2B16B4 #B42B16 #16B42B

tetradic

#2B16B4 #B41650 #9FB416 #16B47A

square

#2B16B4 #B41650 #9FB416 #16B47A

split-complementary

#2B16B4 #B47A16 #50B416

monochromatic

#110947 #1E0F7D #2B16B4 #3D23E4 #6D5AEB

Accessibility & contrast

On white

11.19

#2B16B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2B16B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B16B4

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B16B4	#FFFFFF	#000000	##FFFFFF
##2B16B4	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B8

Deuteranopia (green-blind)

#0034B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b16b4;
/* rgb */ color: rgb(43, 22, 180);
/* oklch */ color: oklch(37.8% 0.222 273.5);

Tailwind

colors: {
  custom: {
    50: '#7d5ccc',
    500: '#2b16b4',
    950: '#000000',
  },
}

SCSS

$custom: #2b16b4;
$custom-light: #7d5ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b16b4",
  "rgb": {
    "r": 43,
    "g": 22,
    "b": 180
  },
  "hsl": {
    "h": 247.975,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37789,
    "c": 0.22243,
    "h": 273.5
  },
  "luminance": 0.04383
}

Semantic roles & 50–950 ramp

primary

#2B16B4

secondary

#BECE58

accent

#F533DB

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2B16B4

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

Preview Lab → · Contrast checker → · Palette generator →