#2A1A8E#2A1A8E

#2A1A8E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.6% C 0.176 H 277.4°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#2A1A8E
RGB	rgb(42, 26, 142)
HSL	hsl(248, 69%, 33%)
HSV	hsv(248, 82%, 56%)
CMYK	cmyk(70.4%, 81.7%, 0%, 44.3%)
CIE-LAB	lab(20.76, 42.86, -60.49)
CIE-LCH	lch(20.76, 74.14, 305.32°)
OKLab	oklab(33.6% 0.0226 -0.1748)
OKLCH	oklch(33.6% 0.176 277.4)
XYZ	xyz(6.2051, 3.1835, 25.8734)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1A8E #7E8E1A

analogous

#1A448E #2A1A8E #641A8E

triadic

#2A1A8E #8E2A1A #1A8E2A

tetradic

#2A1A8E #8E1A44 #7E8E1A #1A8E64

square

#2A1A8E #8E1A44 #7E8E1A #1A8E64

split-complementary

#2A1A8E #8E641A #448E1A

monochromatic

#0B0727 #1B115A #2A1A8E #3923C2 #5A45DD

Accessibility & contrast

On white

12.83

#2A1A8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#2A1A8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1A8E

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1A8E	#FFFFFF	#000000	##FFFFFF
##2A1A8E	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#002D8C

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2a1a8e;
/* rgb */ color: rgb(42, 26, 142);
/* oklch */ color: oklch(33.6% 0.176 277.4);

Tailwind

colors: {
  custom: {
    50: '#745ab0',
    500: '#2a1a8e',
    950: '#000000',
  },
}

SCSS

$custom: #2a1a8e;
$custom-light: #745ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1a8e",
  "rgb": {
    "r": 42,
    "g": 26,
    "b": 142
  },
  "hsl": {
    "h": 248.276,
    "s": 69.048,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33601,
    "c": 0.17624,
    "h": 277.4
  },
  "luminance": 0.03184
}

Semantic roles & 50–950 ramp

primary

#2A1A8E

secondary

#AEBE45

accent

#EC3CD4

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #2A1A8E

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

Preview Lab → · Contrast checker → · Palette generator →