#2B1AB3#2B1AB3

#2B1AB3 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 38.0% C 0.219 H 273.5°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#2B1AB3
RGB	rgb(43, 26, 179)
HSL	hsl(247, 75%, 40%)
HSV	hsv(247, 85%, 70%)
CMYK	cmyk(76%, 85.5%, 0%, 29.8%)
CIE-LAB	lab(25.28, 54.11, -75.57)
CIE-LCH	lch(25.28, 92.95, 305.60°)
OKLab	oklab(38.02% 0.0132 -0.2185)
OKLCH	oklch(38.02% 0.219 273.5)
XYZ	xyz(9.4996, 4.5061, 43.0082)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1AB3 #A2B31A

analogous

#1A55B3 #2B1AB3 #781AB3

triadic

#2B1AB3 #B32B1A #1AB32B

tetradic

#2B1AB3 #B31A55 #A2B31A #1AB378

square

#2B1AB3 #B31A55 #A2B31A #1AB378

split-complementary

#2B1AB3 #B3781A #55B31A

monochromatic

#110A48 #1E127E #2B1AB3 #3E2AE0 #6F60E8

Accessibility & contrast

On white

11.04

#2B1AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2B1AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1AB3

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1AB3	#FFFFFF	#000000	##FFFFFF
##2B1AB3	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B7

Deuteranopia (green-blind)

#0035B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b1ab3;
/* rgb */ color: rgb(43, 26, 179);
/* oklch */ color: oklch(38.0% 0.219 273.5);

Tailwind

colors: {
  custom: {
    50: '#7d5dcb',
    500: '#2b1ab3',
    950: '#000000',
  },
}

SCSS

$custom: #2b1ab3;
$custom-light: #7d5dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1ab3",
  "rgb": {
    "r": 43,
    "g": 26,
    "b": 179
  },
  "hsl": {
    "h": 246.667,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38015,
    "c": 0.21891,
    "h": 273.5
  },
  "luminance": 0.04507
}

Semantic roles & 50–950 ramp

primary

#2B1AB3

secondary

#C0CC5D

accent

#F137DD

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #2B1AB3

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

Preview Lab → · Contrast checker → · Palette generator →