#2A1D87#2A1D87

#2A1D87 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.165 H 278.0°. Best body text is #FFFFFF at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#2A1D87
RGB	rgb(42, 29, 135)
HSL	hsl(247, 65%, 32%)
HSV	hsv(247, 79%, 53%)
CMYK	cmyk(68.9%, 78.5%, 0%, 47.1%)
CIE-LAB	lab(20.52, 39.06, -56.52)
CIE-LCH	lch(20.52, 68.71, 304.65°)
OKLab	oklab(33.2% 0.0229 -0.1633)
OKLCH	oklch(33.2% 0.165 278)
XYZ	xyz(5.7660, 3.1197, 23.2153)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1D87 #7A871D

analogous

#1D4587 #2A1D87 #5F1D87

triadic

#2A1D87 #872A1D #1D872A

tetradic

#2A1D87 #871D45 #7A871D #1D875F

square

#2A1D87 #871D45 #7A871D #1D875F

split-complementary

#2A1D87 #875F1D #45871D

monochromatic

#0B0722 #1A1255 #2A1D87 #3A28B9 #5947D7

Accessibility & contrast

On white

12.93

#2A1D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2A1D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1D87

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1D87	#FFFFFF	#000000	##FFFFFF
##2A1D87	1.00	12.93	1.62	12.93
#FFFFFF	12.93	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368A

Deuteranopia (green-blind)

#002D85

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2a1d87;
/* rgb */ color: rgb(42, 29, 135);
/* oklch */ color: oklch(33.2% 0.165 278.0);

Tailwind

colors: {
  custom: {
    50: '#725cab',
    500: '#2a1d87',
    950: '#000000',
  },
}

SCSS

$custom: #2a1d87;
$custom-light: #725cab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1d87",
  "rgb": {
    "r": 42,
    "g": 29,
    "b": 135
  },
  "hsl": {
    "h": 247.358,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33195,
    "c": 0.16487,
    "h": 278
  },
  "luminance": 0.0312
}

Semantic roles & 50–950 ramp

primary

#2A1D87

secondary

#ABB946

accent

#E840D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A1D87

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

Preview Lab → · Contrast checker → · Palette generator →