#2A1FA9#2A1FA9

#2A1FA9 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.3% C 0.204 H 273.7°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#2A1FA9
RGB	rgb(42, 31, 169)
HSL	hsl(245, 69%, 39%)
HSV	hsv(245, 82%, 66%)
CMYK	cmyk(75.1%, 81.7%, 0%, 33.7%)
CIE-LAB	lab(24.75, 48.85, -70.44)
CIE-LCH	lch(24.75, 85.72, 304.74°)
OKLab	oklab(37.29% 0.0132 -0.2037)
OKLCH	oklch(37.29% 0.204 273.7)
XYZ	xyz(8.6039, 4.3359, 37.9119)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1FA9 #9EA91F

analogous

#1F59A9 #2A1FA9 #6F1FA9

triadic

#2A1FA9 #A92A1F #1FA92A

tetradic

#2A1FA9 #A91F59 #9EA91F #1FA96F

square

#2A1FA9 #A91F59 #9EA91F #1FA96F

split-complementary

#2A1FA9 #A96F1F #59A91F

monochromatic

#100C42 #1D1675 #2A1FA9 #3A2DD8 #6B60E2

Accessibility & contrast

On white

11.25

#2A1FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2A1FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1FA9

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1FA9	#FFFFFF	#000000	##FFFFFF
##2A1FA9	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AD

Deuteranopia (green-blind)

#0034A7

Tritanopia (blue-blind)

#004B65

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a1fa9;
/* rgb */ color: rgb(42, 31, 169);
/* oklch */ color: oklch(37.3% 0.204 273.7);

Tailwind

colors: {
  custom: {
    50: '#7a5fc4',
    500: '#2a1fa9',
    950: '#000000',
  },
}

SCSS

$custom: #2a1fa9;
$custom-light: #7a5fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1fa9",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 169
  },
  "hsl": {
    "h": 244.783,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.37288,
    "c": 0.20418,
    "h": 273.7
  },
  "luminance": 0.04337
}

Semantic roles & 50–950 ramp

primary

#2A1FA9

secondary

#BEC75D

accent

#EC3CDE

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2A1FA9

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

Preview Lab → · Contrast checker → · Palette generator →