#2A1A90#2A1A90

#2A1A90 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.8% C 0.179 H 277.1°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#2A1A90
RGB	rgb(42, 26, 144)
HSL	hsl(248, 69%, 33%)
HSV	hsv(248, 82%, 56%)
CMYK	cmyk(70.8%, 81.9%, 0%, 43.5%)
CIE-LAB	lab(21.00, 43.49, -61.35)
CIE-LCH	lch(21.00, 75.20, 305.33°)
OKLab	oklab(33.83% 0.022 -0.1773)
OKLCH	oklch(33.83% 0.179 277.1)
XYZ	xyz(6.3566, 3.2441, 26.6713)
Luminance	0.0324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1A90 #80901A

analogous

#1A4590 #2A1A90 #651A90

triadic

#2A1A90 #902A1A #1A902A

tetradic

#2A1A90 #901A45 #80901A #1A9065

square

#2A1A90 #901A45 #80901A #1A9065

split-complementary

#2A1A90 #90651A #45901A

monochromatic

#0C0728 #1B115C #2A1A90 #3923C4 #5B47DE

Accessibility & contrast

On white

12.73

#2A1A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#2A1A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1A90

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1A90	#FFFFFF	#000000	##FFFFFF
##2A1A90	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003793

Deuteranopia (green-blind)

#002D8E

Tritanopia (blue-blind)

#003F56

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2a1a90;
/* rgb */ color: rgb(42, 26, 144);
/* oklch */ color: oklch(33.8% 0.179 277.1);

Tailwind

colors: {
  custom: {
    50: '#745ab2',
    500: '#2a1a90',
    950: '#000000',
  },
}

SCSS

$custom: #2a1a90;
$custom-light: #745ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1a90",
  "rgb": {
    "r": 42,
    "g": 26,
    "b": 144
  },
  "hsl": {
    "h": 248.136,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.3383,
    "c": 0.17865,
    "h": 277.1
  },
  "luminance": 0.03245
}

Semantic roles & 50–950 ramp

primary

#2A1A90

secondary

#AFBF47

accent

#EC3CD4

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2A1A90

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

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