#2B1F89#2B1F89

#2B1F89 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.165 H 277.9°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#2B1F89
RGB	rgb(43, 31, 137)
HSL	hsl(247, 63%, 33%)
HSV	hsv(247, 77%, 54%)
CMYK	cmyk(68.6%, 77.4%, 0%, 46.3%)
CIE-LAB	lab(21.20, 38.72, -56.64)
CIE-LCH	lch(21.20, 68.61, 304.36°)
OKLab	oklab(33.76% 0.0227 -0.1636)
OKLCH	oklch(33.76% 0.165 277.9)
XYZ	xyz(6.0001, 3.2992, 23.9827)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B1F89 #7D891F

analogous

#1F4889 #2B1F89 #601F89

triadic

#2B1F89 #892B1F #1F892B

tetradic

#2B1F89 #891F48 #7D891F #1F8960

square

#2B1F89 #891F48 #7D891F #1F8960

split-complementary

#2B1F89 #89601F #48891F

monochromatic

#0C0825 #1B1457 #2B1F89 #3B2ABB #5C4CD6

Accessibility & contrast

On white

12.65

#2B1F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#2B1F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B1F89

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B1F89	#FFFFFF	#000000	##FFFFFF
##2B1F89	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378C

Deuteranopia (green-blind)

#002E87

Tritanopia (blue-blind)

#003E53

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #2b1f89;
/* rgb */ color: rgb(43, 31, 137);
/* oklch */ color: oklch(33.8% 0.165 277.9);

Tailwind

colors: {
  custom: {
    50: '#735dad',
    500: '#2b1f89',
    950: '#000000',
  },
}

SCSS

$custom: #2b1f89;
$custom-light: #735dad;
$custom-dark: #000000;

JSON

{
  "hex": "#2b1f89",
  "rgb": {
    "r": 43,
    "g": 31,
    "b": 137
  },
  "hsl": {
    "h": 246.792,
    "s": 63.095,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33764,
    "c": 0.16518,
    "h": 277.9
  },
  "luminance": 0.033
}

Semantic roles & 50–950 ramp

primary

#2B1F89

secondary

#ADB94B

accent

#E642D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #2B1F89

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

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