#2A1D78#2A1D78

#2A1D78 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.146 H 280.5°. Best body text is #FFFFFF at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#2A1D78
RGB	rgb(42, 29, 120)
HSL	hsl(249, 61%, 29%)
HSV	hsv(249, 76%, 47%)
CMYK	cmyk(65%, 75.8%, 0%, 52.9%)
CIE-LAB	lab(18.91, 34.11, -49.65)
CIE-LCH	lch(18.91, 60.24, 304.49°)
OKLab	oklab(31.58% 0.0266 -0.1432)
OKLCH	oklch(31.58% 0.146 280.5)
XYZ	xyz(4.7833, 2.7267, 18.0399)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1D78 #6B781D

analogous

#1D3E78 #2A1D78 #581D78

triadic

#2A1D78 #782A1D #1D782A

tetradic

#2A1D78 #781D3E #6B781D #1D7858

square

#2A1D78 #781D3E #6B781D #1D7858

split-complementary

#2A1D78 #78581D #3E781D

monochromatic

#090619 #191147 #2A1D78 #3B29A9 #543FD1

Accessibility & contrast

On white

13.59

#2A1D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#2A1D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1D78

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1D78	#FFFFFF	#000000	##FFFFFF
##2A1D78	1.00	13.59	1.55	13.59
#FFFFFF	13.59	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317B

Deuteranopia (green-blind)

#002B76

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2a1d78;
/* rgb */ color: rgb(42, 29, 120);
/* oklch */ color: oklch(31.6% 0.146 280.5);

Tailwind

colors: {
  custom: {
    50: '#6f5ba0',
    500: '#2a1d78',
    950: '#000000',
  },
}

SCSS

$custom: #2a1d78;
$custom-light: #6f5ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1d78",
  "rgb": {
    "r": 42,
    "g": 29,
    "b": 120
  },
  "hsl": {
    "h": 248.571,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31584,
    "c": 0.14568,
    "h": 280.5
  },
  "luminance": 0.02727
}

Semantic roles & 50–950 ramp

primary

#2A1D78

secondary

#9DAC45

accent

#E444CD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #2A1D78

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

Preview Lab → · Contrast checker → · Palette generator →