#2A1B98#2A1B98

#2A1B98 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.9% C 0.187 H 275.9°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#2A1B98
RGB	rgb(42, 27, 152)
HSL	hsl(247, 70%, 35%)
HSV	hsv(247, 82%, 60%)
CMYK	cmyk(72.4%, 82.2%, 0%, 40.4%)
CIE-LAB	lab(22.10, 45.50, -64.48)
CIE-LCH	lch(22.10, 78.91, 305.21°)
OKLab	oklab(34.87% 0.0193 -0.1864)
OKLCH	oklch(34.87% 0.187 275.9)
XYZ	xyz(7.0124, 3.5424, 30.0139)
Luminance	0.0354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A1B98 #89981B

analogous

#1B4B98 #2A1B98 #681B98

triadic

#2A1B98 #982A1B #1B982A

tetradic

#2A1B98 #981B4B #89981B #1B9868

square

#2A1B98 #981B4B #89981B #1B9868

split-complementary

#2A1B98 #98681B #4B981B

monochromatic

#0D0930 #1C1264 #2A1B98 #3824CC #5F4EE0

Accessibility & contrast

On white

12.29

#2A1B98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#2A1B98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A1B98

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A1B98	#FFFFFF	#000000	##FFFFFF
##2A1B98	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9B

Deuteranopia (green-blind)

#002F96

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2a1b98;
/* rgb */ color: rgb(42, 27, 152);
/* oklch */ color: oklch(34.9% 0.187 275.9);

Tailwind

colors: {
  custom: {
    50: '#765cb8',
    500: '#2a1b98',
    950: '#000000',
  },
}

SCSS

$custom: #2a1b98;
$custom-light: #765cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a1b98",
  "rgb": {
    "r": 42,
    "g": 27,
    "b": 152
  },
  "hsl": {
    "h": 247.2,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34866,
    "c": 0.18737,
    "h": 275.9
  },
  "luminance": 0.03543
}

Semantic roles & 50–950 ramp

primary

#2A1B98

secondary

#B4C24D

accent

#ED3BD7

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2A1B98

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

Preview Lab → · Contrast checker → · Palette generator →