#2A1B7C#2A1B7C

#2A1B7C is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.153 H 280.2°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#2A1B7C
RGB	rgb(42, 27, 124)
HSL	hsl(249, 64%, 30%)
HSV	hsv(249, 78%, 49%)
CMYK	cmyk(66.1%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(18.93, 36.57, -52.18)
CIE-LCH	lch(18.93, 63.72, 305.03°)
OKLab	oklab(31.72% 0.027 -0.1506)
OKLCH	oklch(31.72% 0.153 280.2)
XYZ	xyz(4.9837, 2.7310, 19.3294)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1B7C #6D7C1B

analogous

#1B3D7C #2A1B7C #5A1B7C

triadic

#2A1B7C #7C2A1B #1B7C2A

tetradic

#2A1B7C #7C1B3D #6D7C1B #1B7C5A

square

#2A1B7C #7C1B3D #6D7C1B #1B7C5A

split-complementary

#2A1B7C #7C5A1B #3D7C1B

monochromatic

#090519 #19104A #2A1B7C #3B26AE #543DD5

Accessibility & contrast

On white

13.58

#2A1B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#2A1B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1B7C

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1B7C	#FFFFFF	#000000	##FFFFFF
##2A1B7C	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317F

Deuteranopia (green-blind)

#002A7A

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #2a1b7c;
/* rgb */ color: rgb(42, 27, 124);
/* oklch */ color: oklch(31.7% 0.153 280.2);

Tailwind

colors: {
  custom: {
    50: '#705aa3',
    500: '#2a1b7c',
    950: '#000000',
  },
}

SCSS

$custom: #2a1b7c;
$custom-light: #705aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1b7c",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 249.278,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31724,
    "c": 0.153,
    "h": 280.2
  },
  "luminance": 0.02731
}

Semantic roles & 50–950 ramp

primary

#2A1B7C

secondary

#9FB043

accent

#E741CD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2A1B7C

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

Preview Lab → · Contrast checker → · Palette generator →