#2A1BA1#2A1BA1

#2A1BA1 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.9% C 0.198 H 274.8°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#2A1BA1
RGB	rgb(42, 27, 161)
HSL	hsl(247, 71%, 37%)
HSV	hsv(247, 83%, 63%)
CMYK	cmyk(73.9%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(23.16, 48.26, -68.22)
CIE-LCH	lch(23.16, 83.57, 305.28°)
OKLab	oklab(35.91% 0.0167 -0.1972)
OKLCH	oklch(35.91% 0.198 274.8)
XYZ	xyz(7.7777, 3.8485, 34.0443)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1BA1 #92A11B

analogous

#1B4FA1 #2A1BA1 #6D1BA1

triadic

#2A1BA1 #A12A1B #1BA12A

tetradic

#2A1BA1 #A11B4F #92A11B #1BA16D

square

#2A1BA1 #A11B4F #92A11B #1BA16D

split-complementary

#2A1BA1 #A16D1B #4FA11B

monochromatic

#0F0938 #1C126D #2A1BA1 #3824D5 #6454E2

Accessibility & contrast

On white

11.87

#2A1BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2A1BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1BA1

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1BA1	#FFFFFF	#000000	##FFFFFF
##2A1BA1	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00319F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2a1ba1;
/* rgb */ color: rgb(42, 27, 161);
/* oklch */ color: oklch(35.9% 0.198 274.8);

Tailwind

colors: {
  custom: {
    50: '#785cbe',
    500: '#2a1ba1',
    950: '#000000',
  },
}

SCSS

$custom: #2a1ba1;
$custom-light: #785cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1ba1",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 246.716,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35914,
    "c": 0.19794,
    "h": 274.8
  },
  "luminance": 0.03849
}

Semantic roles & 50–950 ramp

primary

#2A1BA1

secondary

#B8C552

accent

#EE3ADA

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #2A1BA1

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

Preview Lab → · Contrast checker → · Palette generator →