#2A1F87#2A1F87

#2A1F87 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.5% C 0.163 H 277.7°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#2A1F87
RGB	rgb(42, 31, 135)
HSL	hsl(246, 63%, 33%)
HSV	hsv(246, 77%, 53%)
CMYK	cmyk(68.9%, 77%, 0%, 47.1%)
CIE-LAB	lab(20.91, 37.95, -55.88)
CIE-LCH	lch(20.91, 67.55, 304.18°)
OKLab	oklab(33.47% 0.0217 -0.1614)
OKLCH	oklch(33.47% 0.163 277.7)
XYZ	xyz(5.8166, 3.2210, 23.2322)
Luminance	0.0322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1F87 #7C871F

analogous

#1F4887 #2A1F87 #5E1F87

triadic

#2A1F87 #872A1F #1F872A

tetradic

#2A1F87 #871F48 #7C871F #1F875E

square

#2A1F87 #871F48 #7C871F #1F875E

split-complementary

#2A1F87 #875E1F #48871F

monochromatic

#0B0823 #1B1455 #2A1F87 #392AB9 #594BD6

Accessibility & contrast

On white

12.77

#2A1F87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#2A1F87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1F87

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1F87	#FFFFFF	#000000	##FFFFFF
##2A1F87	1.00	12.77	1.64	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368A

Deuteranopia (green-blind)

#002E85

Tritanopia (blue-blind)

#003D51

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2a1f87;
/* rgb */ color: rgb(42, 31, 135);
/* oklch */ color: oklch(33.5% 0.163 277.7);

Tailwind

colors: {
  custom: {
    50: '#725dab',
    500: '#2a1f87',
    950: '#000000',
  },
}

SCSS

$custom: #2a1f87;
$custom-light: #725dab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1f87",
  "rgb": {
    "r": 42,
    "g": 31,
    "b": 135
  },
  "hsl": {
    "h": 246.346,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.3347,
    "c": 0.16287,
    "h": 277.7
  },
  "luminance": 0.03221
}

Semantic roles & 50–950 ramp

primary

#2A1F87

secondary

#ADB84A

accent

#E642D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A1F87

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

Preview Lab → · Contrast checker → · Palette generator →