#2A1DB3#2A1DB3

#2A1DB3 is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 38.2% C 0.217 H 272.9°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#2A1DB3
RGB	rgb(42, 29, 179)
HSL	hsl(245, 72%, 41%)
HSV	hsv(245, 84%, 70%)
CMYK	cmyk(76.5%, 83.8%, 0%, 29.8%)
CIE-LAB	lab(25.64, 52.80, -74.98)
CIE-LCH	lch(25.64, 91.70, 305.15°)
OKLab	oklab(38.24% 0.0112 -0.2169)
OKLCH	oklch(38.24% 0.217 272.9)
XYZ	xyz(9.5282, 4.6246, 43.0296)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1DB3 #A6B31D

analogous

#1D5BB3 #2A1DB3 #751DB3

triadic

#2A1DB3 #B32A1D #1DB32A

tetradic

#2A1DB3 #B31D5B #A6B31D #1DB375

square

#2A1DB3 #B31D5B #A6B31D #1DB375

split-complementary

#2A1DB3 #B3751D #5BB31D

monochromatic

#110C4A #1E147E #2A1DB3 #3F30DD #7064E6

Accessibility & contrast

On white

10.91

#2A1DB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2A1DB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1DB3

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1DB3	#FFFFFF	#000000	##FFFFFF
##2A1DB3	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B7

Deuteranopia (green-blind)

#0035B1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2a1db3;
/* rgb */ color: rgb(42, 29, 179);
/* oklch */ color: oklch(38.2% 0.217 272.9);

Tailwind

colors: {
  custom: {
    50: '#7c5fcb',
    500: '#2a1db3',
    950: '#000000',
  },
}

SCSS

$custom: #2a1db3;
$custom-light: #7c5fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1db3",
  "rgb": {
    "r": 42,
    "g": 29,
    "b": 179
  },
  "hsl": {
    "h": 245.2,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38244,
    "c": 0.21716,
    "h": 272.9
  },
  "luminance": 0.04626
}

Semantic roles & 50–950 ramp

primary

#2A1DB3

secondary

#C2CB61

accent

#EF39DF

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #2A1DB3

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

Preview Lab → · Contrast checker → · Palette generator →