#2A1F79#2A1F79

#2A1F79 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.0% C 0.145 H 279.9°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#2A1F79
RGB	rgb(42, 31, 121)
HSL	hsl(247, 59%, 30%)
HSV	hsv(247, 74%, 47%)
CMYK	cmyk(65.3%, 74.4%, 0%, 52.5%)
CIE-LAB	lab(19.44, 33.26, -49.42)
CIE-LCH	lch(19.44, 59.57, 303.94°)
OKLab	oklab(31.99% 0.0249 -0.1426)
OKLCH	oklch(31.99% 0.145 279.9)
XYZ	xyz(4.8949, 2.8523, 18.3781)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1F79 #6E791F

analogous

#1F4179 #2A1F79 #571F79

triadic

#2A1F79 #792A1F #1F792A

tetradic

#2A1F79 #791F41 #6E791F #1F7957

square

#2A1F79 #791F41 #6E791F #1F7957

split-complementary

#2A1F79 #79571F #41791F

monochromatic

#080618 #191348 #2A1F79 #3B2BAA #5443CF

Accessibility & contrast

On white

13.37

#2A1F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#2A1F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1F79

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1F79	#FFFFFF	#000000	##FFFFFF
##2A1F79	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327C

Deuteranopia (green-blind)

#002C77

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #2a1f79;
/* rgb */ color: rgb(42, 31, 121);
/* oklch */ color: oklch(32.0% 0.145 279.9);

Tailwind

colors: {
  custom: {
    50: '#6f5ca1',
    500: '#2a1f79',
    950: '#000000',
  },
}

SCSS

$custom: #2a1f79;
$custom-light: #6f5ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1f79",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 121
  },
  "hsl": {
    "h": 247.333,
    "s": 59.211,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3199,
    "c": 0.14472,
    "h": 279.9
  },
  "luminance": 0.02853
}

Semantic roles & 50–950 ramp

primary

#2A1F79

secondary

#A0AC47

accent

#E245CF

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2A1F79

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

Preview Lab → · Contrast checker → · Palette generator →