#2A1F9E#2A1F9E

#2A1F9E is a dark, vivid blue. Relative luminance 0.039; OKLCH L 36.0% C 0.191 H 274.8°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#2A1F9E
RGB	rgb(42, 31, 158)
HSL	hsl(245, 67%, 37%)
HSV	hsv(245, 80%, 62%)
CMYK	cmyk(73.4%, 80.4%, 0%, 38%)
CIE-LAB	lab(23.47, 45.40, -65.88)
CIE-LCH	lch(23.47, 80.01, 304.57°)
OKLab	oklab(36.03% 0.016 -0.1905)
OKLCH	oklch(36.03% 0.191 274.8)
XYZ	xyz(7.6143, 3.9401, 32.7004)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1F9E #939E1F

analogous

#1F549E #2A1F9E #6A1F9E

triadic

#2A1F9E #9E2A1F #1F9E2A

tetradic

#2A1F9E #9E1F54 #939E1F #1F9E6A

square

#2A1F9E #9E1F54 #939E1F #1F9E6A

split-complementary

#2A1F9E #9E6A1F #549E1F

monochromatic

#0F0B38 #1C156B #2A1F9E #3829D1 #6559DE

Accessibility & contrast

On white

11.74

#2A1F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#2A1F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1F9E

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1F9E	#FFFFFF	#000000	##FFFFFF
##2A1F9E	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00329C

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2a1f9e;
/* rgb */ color: rgb(42, 31, 158);
/* oklch */ color: oklch(36.0% 0.191 274.8);

Tailwind

colors: {
  custom: {
    50: '#775ebc',
    500: '#2a1f9e',
    950: '#000000',
  },
}

SCSS

$custom: #2a1f9e;
$custom-light: #775ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1f9e",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 245.197,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.36026,
    "c": 0.19119,
    "h": 274.8
  },
  "luminance": 0.03941
}

Semantic roles & 50–950 ramp

primary

#2A1F9E

secondary

#B9C256

accent

#EA3EDB

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2A1F9E

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

Preview Lab → · Contrast checker → · Palette generator →