#2A1D79#2A1D79

#2A1D79 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.147 H 280.3°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#2A1D79
RGB	rgb(42, 29, 121)
HSL	hsl(248, 61%, 29%)
HSV	hsv(248, 76%, 47%)
CMYK	cmyk(65.3%, 76%, 0%, 52.5%)
CIE-LAB	lab(19.02, 34.44, -50.12)
CIE-LCH	lch(19.02, 60.81, 304.50°)
OKLab	oklab(31.69% 0.0264 -0.1446)
OKLCH	oklch(31.69% 0.147 280.3)
XYZ	xyz(4.8443, 2.7511, 18.3612)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1D79 #6C791D

analogous

#1D3E79 #2A1D79 #581D79

triadic

#2A1D79 #792A1D #1D792A

tetradic

#2A1D79 #791D3E #6C791D #1D7958

square

#2A1D79 #791D3E #6C791D #1D7958

split-complementary

#2A1D79 #79581D #3E791D

monochromatic

#090619 #191148 #2A1D79 #3B29AA #543FD1

Accessibility & contrast

On white

13.55

#2A1D79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#2A1D79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1D79

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1D79	#FFFFFF	#000000	##FFFFFF
##2A1D79	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317C

Deuteranopia (green-blind)

#002B77

Tritanopia (blue-blind)

#003749

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2a1d79;
/* rgb */ color: rgb(42, 29, 121);
/* oklch */ color: oklch(31.7% 0.147 280.3);

Tailwind

colors: {
  custom: {
    50: '#6f5ba1',
    500: '#2a1d79',
    950: '#000000',
  },
}

SCSS

$custom: #2a1d79;
$custom-light: #6f5ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1d79",
  "rgb": {
    "r": 42,
    "g": 29,
    "b": 121
  },
  "hsl": {
    "h": 248.478,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31689,
    "c": 0.14699,
    "h": 280.3
  },
  "luminance": 0.02751
}

Semantic roles & 50–950 ramp

primary

#2A1D79

secondary

#9EAD45

accent

#E443CE

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2A1D79

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

Preview Lab → · Contrast checker → · Palette generator →