#2A1DBA#2A1DBA

#2A1DBA is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 39.1% C 0.225 H 272.4°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#2A1DBA
RGB	rgb(42, 29, 186)
HSL	hsl(245, 73%, 42%)
HSV	hsv(245, 84%, 73%)
CMYK	cmyk(77.4%, 84.4%, 0%, 27.1%)
CIE-LAB	lab(26.49, 54.87, -77.73)
CIE-LCH	lch(26.49, 95.15, 305.22°)
OKLab	oklab(39.08% 0.0093 -0.2248)
OKLCH	oklch(39.08% 0.225 272.4)
XYZ	xyz(10.2542, 4.9150, 46.8531)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1DBA #ADBA1D

analogous

#1D5FBA #2A1DBA #781DBA

triadic

#2A1DBA #BA2A1D #1DBA2A

tetradic

#2A1DBA #BA1D5F #ADBA1D #1DBA78

square

#2A1DBA #BA1D5F #ADBA1D #1DBA78

split-complementary

#2A1DBA #BA781D #5FBA1D

monochromatic

#120C50 #1E1585 #2A1DBA #4335DF #746AE8

Accessibility & contrast

On white

10.59

#2A1DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2A1DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1DBA

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1DBA	#FFFFFF	#000000	##FFFFFF
##2A1DBA	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046BE

Deuteranopia (green-blind)

#0037B7

Tritanopia (blue-blind)

#00516F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2a1dba;
/* rgb */ color: rgb(42, 29, 186);
/* oklch */ color: oklch(39.1% 0.225 272.4);

Tailwind

colors: {
  custom: {
    50: '#7e5fd0',
    500: '#2a1dba',
    950: '#000000',
  },
}

SCSS

$custom: #2a1dba;
$custom-light: #7e5fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1dba",
  "rgb": {
    "r": 42,
    "g": 29,
    "b": 186
  },
  "hsl": {
    "h": 244.968,
    "s": 73.023,
    "l": 42.157
  },
  "oklch": {
    "l": 0.39076,
    "c": 0.22502,
    "h": 272.4
  },
  "luminance": 0.04916
}

Semantic roles & 50–950 ramp

primary

#2A1DBA

secondary

#C5CD65

accent

#F038E1

background

#F8F5FD

surface

#F0EAFA

border

#CBC6D3

text

#0C0514

muted

#7D7983

Preview Lab

Preview with #2A1DBA

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

Preview Lab → · Contrast checker → · Palette generator →