#2A1B92#2A1B92

#2A1B92 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.2% C 0.180 H 276.7°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#2A1B92
RGB	rgb(42, 27, 146)
HSL	hsl(248, 69%, 34%)
HSV	hsv(248, 82%, 57%)
CMYK	cmyk(71.2%, 81.5%, 0%, 42.7%)
CIE-LAB	lab(21.40, 43.62, -61.93)
CIE-LCH	lch(21.40, 75.75, 305.16°)
OKLab	oklab(34.18% 0.021 -0.179)
OKLCH	oklch(34.18% 0.18 276.7)
XYZ	xyz(6.5334, 3.3508, 27.4910)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1B92 #83921B

analogous

#1B4892 #2A1B92 #661B92

triadic

#2A1B92 #922A1B #1B922A

tetradic

#2A1B92 #921B48 #83921B #1B9266

square

#2A1B92 #921B48 #83921B #1B9266

split-complementary

#2A1B92 #92661B #48921B

monochromatic

#0C082B #1B115E #2A1B92 #3925C6 #5D4ADE

Accessibility & contrast

On white

12.57

#2A1B92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#2A1B92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1B92

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1B92	#FFFFFF	#000000	##FFFFFF
##2A1B92	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003895

Deuteranopia (green-blind)

#002E90

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2a1b92;
/* rgb */ color: rgb(42, 27, 146);
/* oklch */ color: oklch(34.2% 0.180 276.7);

Tailwind

colors: {
  custom: {
    50: '#755bb3',
    500: '#2a1b92',
    950: '#000000',
  },
}

SCSS

$custom: #2a1b92;
$custom-light: #755bb3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1b92",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 146
  },
  "hsl": {
    "h": 247.563,
    "s": 68.786,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34177,
    "c": 0.1802,
    "h": 276.7
  },
  "luminance": 0.03351
}

Semantic roles & 50–950 ramp

primary

#2A1B92

secondary

#B1BF49

accent

#EC3CD6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2A1B92

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

Preview Lab → · Contrast checker → · Palette generator →