#2A1C87#2A1C87

#2A1C87 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.1% C 0.166 H 278.1°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#2A1C87
RGB	rgb(42, 28, 135)
HSL	hsl(248, 66%, 32%)
HSV	hsv(248, 79%, 53%)
CMYK	cmyk(68.9%, 79.3%, 0%, 47.1%)
CIE-LAB	lab(20.33, 39.60, -56.83)
CIE-LCH	lch(20.33, 69.27, 304.87°)
OKLab	oklab(33.06% 0.0235 -0.1642)
OKLCH	oklch(33.06% 0.166 278.1)
XYZ	xyz(5.7419, 3.0715, 23.2072)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1C87 #79871C

analogous

#1C4487 #2A1C87 #5F1C87

triadic

#2A1C87 #872A1C #1C872A

tetradic

#2A1C87 #871C44 #79871C #1C875F

square

#2A1C87 #871C44 #79871C #1C875F

split-complementary

#2A1C87 #875F1C #44871C

monochromatic

#0A0722 #1A1154 #2A1C87 #3A27BA #5845D8

Accessibility & contrast

On white

13.01

#2A1C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#2A1C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1C87

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1C87	#FFFFFF	#000000	##FFFFFF
##2A1C87	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358A

Deuteranopia (green-blind)

#002D85

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2a1c87;
/* rgb */ color: rgb(42, 28, 135);
/* oklch */ color: oklch(33.1% 0.166 278.1);

Tailwind

colors: {
  custom: {
    50: '#725bab',
    500: '#2a1c87',
    950: '#000000',
  },
}

SCSS

$custom: #2a1c87;
$custom-light: #725bab;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1c87",
  "rgb": {
    "r": 42,
    "g": 28,
    "b": 135
  },
  "hsl": {
    "h": 247.85,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33063,
    "c": 0.16584,
    "h": 278.1
  },
  "luminance": 0.03072
}

Semantic roles & 50–950 ramp

primary

#2A1C87

secondary

#ABBA45

accent

#E93FD2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2A1C87

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

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