#2A1FA5#2A1FA5

#2A1FA5 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.8% C 0.199 H 274.1°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#2A1FA5
RGB	rgb(42, 31, 165)
HSL	hsl(245, 68%, 38%)
HSV	hsv(245, 81%, 65%)
CMYK	cmyk(74.5%, 81.2%, 0%, 35.3%)
CIE-LAB	lab(24.28, 47.60, -68.80)
CIE-LCH	lch(24.28, 83.66, 304.68°)
OKLab	oklab(36.83% 0.0142 -0.199)
OKLCH	oklch(36.83% 0.199 274.1)
XYZ	xyz(8.2341, 4.1880, 35.9644)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1FA5 #9AA51F

analogous

#1F57A5 #2A1FA5 #6D1FA5

triadic

#2A1FA5 #A52A1F #1FA52A

tetradic

#2A1FA5 #A51F57 #9AA51F #1FA56D

square

#2A1FA5 #A51F57 #9AA51F #1FA56D

split-complementary

#2A1FA5 #A56D1F #57A51F

monochromatic

#100C3E #1D1571 #2A1FA5 #382AD7 #685EE1

Accessibility & contrast

On white

11.43

#2A1FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2A1FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1FA5

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1FA5	#FFFFFF	#000000	##FFFFFF
##2A1FA5	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A9

Deuteranopia (green-blind)

#0033A3

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2a1fa5;
/* rgb */ color: rgb(42, 31, 165);
/* oklch */ color: oklch(36.8% 0.199 274.1);

Tailwind

colors: {
  custom: {
    50: '#795fc1',
    500: '#2a1fa5',
    950: '#000000',
  },
}

SCSS

$custom: #2a1fa5;
$custom-light: #795fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1fa5",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 165
  },
  "hsl": {
    "h": 244.925,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.36826,
    "c": 0.19949,
    "h": 274.1
  },
  "luminance": 0.04189
}

Semantic roles & 50–950 ramp

primary

#2A1FA5

secondary

#BCC55B

accent

#EB3DDD

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #2A1FA5

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

Preview Lab → · Contrast checker → · Palette generator →