#2A1FAB#2A1FAB

#2A1FAB is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.5% C 0.206 H 273.5°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#2A1FAB
RGB	rgb(42, 31, 171)
HSL	hsl(245, 69%, 40%)
HSV	hsv(245, 82%, 67%)
CMYK	cmyk(75.4%, 81.9%, 0%, 32.9%)
CIE-LAB	lab(24.99, 49.46, -71.26)
CIE-LCH	lch(24.99, 86.74, 304.77°)
OKLab	oklab(37.52% 0.0127 -0.2061)
OKLCH	oklch(37.52% 0.207 273.5)
XYZ	xyz(8.7931, 4.4116, 38.9083)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1FAB #A0AB1F

analogous

#1F5AAB #2A1FAB #701FAB

triadic

#2A1FAB #AB2A1F #1FAB2A

tetradic

#2A1FAB #AB1F5A #A0AB1F #1FAB70

square

#2A1FAB #AB1F5A #A0AB1F #1FAB70

split-complementary

#2A1FAB #AB701F #5AAB1F

monochromatic

#110C43 #1D1677 #2A1FAB #3C2ED9 #6C62E3

Accessibility & contrast

On white

11.16

#2A1FAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2A1FAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1FAB

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1FAB	#FFFFFF	#000000	##FFFFFF
##2A1FAB	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AF

Deuteranopia (green-blind)

#0035A9

Tritanopia (blue-blind)

#004B66

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a1fab;
/* rgb */ color: rgb(42, 31, 171);
/* oklch */ color: oklch(37.5% 0.206 273.5);

Tailwind

colors: {
  custom: {
    50: '#7a5fc5',
    500: '#2a1fab',
    950: '#000000',
  },
}

SCSS

$custom: #2a1fab;
$custom-light: #7a5fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1fab",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 171
  },
  "hsl": {
    "h": 244.714,
    "s": 69.307,
    "l": 39.608
  },
  "oklch": {
    "l": 0.3752,
    "c": 0.2065,
    "h": 273.5
  },
  "luminance": 0.04412
}

Semantic roles & 50–950 ramp

primary

#2A1FAB

secondary

#BFC75E

accent

#EC3CDE

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2A1FAB

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

Preview Lab → · Contrast checker → · Palette generator →