#2B1B98#2B1B98

#2B1B98 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.9% C 0.187 H 276.3°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B98
RGB	rgb(43, 27, 152)
HSL	hsl(248, 70%, 35%)
HSV	hsv(248, 82%, 60%)
CMYK	cmyk(71.7%, 82.2%, 0%, 40.4%)
CIE-LAB	lab(22.17, 45.58, -64.35)
CIE-LCH	lch(22.17, 78.85, 305.31°)
OKLab	oklab(34.94% 0.0207 -0.186)
OKLCH	oklch(34.94% 0.187 276.3)
XYZ	xyz(7.0538, 3.5638, 30.0158)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B98 #88981B

analogous

#1B4A98 #2B1B98 #691B98

triadic

#2B1B98 #982B1B #1B982B

tetradic

#2B1B98 #981B4A #88981B #1B9869

square

#2B1B98 #981B4A #88981B #1B9869

split-complementary

#2B1B98 #98691B #4A981B

monochromatic

#0E0930 #1C1264 #2B1B98 #3A24CC #614EE0

Accessibility & contrast

On white

12.26

#2B1B98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#2B1B98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B98

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B98	#FFFFFF	#000000	##FFFFFF
##2B1B98	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9B

Deuteranopia (green-blind)

#003096

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2b1b98;
/* rgb */ color: rgb(43, 27, 152);
/* oklch */ color: oklch(34.9% 0.187 276.3);

Tailwind

colors: {
  custom: {
    50: '#765cb8',
    500: '#2b1b98',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b98;
$custom-light: #765cb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b98",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 152
  },
  "hsl": {
    "h": 247.68,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34939,
    "c": 0.18714,
    "h": 276.3
  },
  "luminance": 0.03564
}

Semantic roles & 50–950 ramp

primary

#2B1B98

secondary

#B3C24D

accent

#ED3BD6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #2B1B98

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

Preview Lab → · Contrast checker → · Palette generator →