#2B1B89#2B1B89

#2B1B89 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.169 H 278.5°. Best body text is #FFFFFF at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#2B1B89
RGB	rgb(43, 27, 137)
HSL	hsl(249, 67%, 32%)
HSV	hsv(249, 80%, 54%)
CMYK	cmyk(68.6%, 80.3%, 0%, 46.3%)
CIE-LAB	lab(20.45, 40.88, -57.88)
CIE-LCH	lch(20.45, 70.86, 305.23°)
OKLab	oklab(33.24% 0.025 -0.1672)
OKLCH	oklch(33.24% 0.169 278.5)
XYZ	xyz(5.9021, 3.1031, 23.9500)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1B89 #79891B

analogous

#1B4289 #2B1B89 #621B89

triadic

#2B1B89 #892B1B #1B892B

tetradic

#2B1B89 #891B42 #79891B #1B8962

square

#2B1B89 #891B42 #79891B #1B8962

split-complementary

#2B1B89 #89621B #42891B

monochromatic

#0B0723 #1B1156 #2B1B89 #3B25BC #5A44DA

Accessibility & contrast

On white

12.96

#2B1B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2B1B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1B89

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1B89	#FFFFFF	#000000	##FFFFFF
##2B1B89	1.00	12.96	1.62	12.96
#FFFFFF	12.96	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358C

Deuteranopia (green-blind)

#002D87

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b1b89;
/* rgb */ color: rgb(43, 27, 137);
/* oklch */ color: oklch(33.2% 0.169 278.5);

Tailwind

colors: {
  custom: {
    50: '#735bad',
    500: '#2b1b89',
    950: '#000000',
  },
}

SCSS

$custom: #2b1b89;
$custom-light: #735bad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1b89",
  "rgb": {
    "r": 43,
    "g": 27,
    "b": 137
  },
  "hsl": {
    "h": 248.727,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33237,
    "c": 0.16904,
    "h": 278.5
  },
  "luminance": 0.03104
}

Semantic roles & 50–950 ramp

primary

#2B1B89

secondary

#AABC44

accent

#EA3ED1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1B89

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

Preview Lab → · Contrast checker → · Palette generator →