#2A1B7D#2A1B7D

#2A1B7D is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.8% C 0.154 H 280.0°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#2A1B7D
RGB	rgb(42, 27, 125)
HSL	hsl(249, 64%, 30%)
HSV	hsv(249, 78%, 49%)
CMYK	cmyk(66.4%, 78.4%, 0%, 51%)
CIE-LAB	lab(19.04, 36.90, -52.63)
CIE-LCH	lch(19.04, 64.28, 305.03°)
OKLab	oklab(31.83% 0.0268 -0.1519)
OKLCH	oklch(31.83% 0.154 280)
XYZ	xyz(5.0473, 2.7564, 19.6641)
Luminance	0.0276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1B7D #6E7D1B

analogous

#1B3D7D #2A1B7D #5B1B7D

triadic

#2A1B7D #7D2A1B #1B7D2A

tetradic

#2A1B7D #7D1B3D #6E7D1B #1B7D5B

square

#2A1B7D #7D1B3D #6E7D1B #1B7D5B

split-complementary

#2A1B7D #7D5B1B #3D7D1B

monochromatic

#080519 #19104B #2A1B7D #3B26AF #553DD5

Accessibility & contrast

On white

13.54

#2A1B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#2A1B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1B7D

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1B7D	#FFFFFF	#000000	##FFFFFF
##2A1B7D	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#002A7B

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2a1b7d;
/* rgb */ color: rgb(42, 27, 125);
/* oklch */ color: oklch(31.8% 0.154 280.0);

Tailwind

colors: {
  custom: {
    50: '#705aa4',
    500: '#2a1b7d',
    950: '#000000',
  },
}

SCSS

$custom: #2a1b7d;
$custom-light: #705aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1b7d",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 249.184,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31832,
    "c": 0.15427,
    "h": 280
  },
  "luminance": 0.02757
}

Semantic roles & 50–950 ramp

primary

#2A1B7D

secondary

#A0B143

accent

#E740CE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2A1B7D

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

Preview Lab → · Contrast checker → · Palette generator →