#2B2B81#2B2B81

#2B2B81 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.9% C 0.141 H 276.2°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B2B81
RGB	rgb(43, 43, 129)
HSL	hsl(240, 50%, 34%)
HSV	hsv(240, 67%, 51%)
CMYK	cmyk(66.7%, 66.7%, 0%, 49.4%)
CIE-LAB	lab(23.09, 28.61, -48.52)
CIE-LCH	lch(23.09, 56.33, 300.53°)
OKLab	oklab(34.87% 0.0153 -0.1399)
OKLCH	oklch(34.87% 0.141 276.2)
XYZ	xyz(5.8213, 3.8258, 21.1963)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2B81 #81812B

analogous

#2B5681 #2B2B81 #562B81

triadic

#2B2B81 #812B2B #2B812B

tetradic

#2B2B81 #812B56 #81812B #2B8156

square

#2B2B81 #812B56 #81812B #2B8156

split-complementary

#2B2B81 #81562B #56812B

monochromatic

#0C0C25 #1C1C53 #2B2B81 #3A3AAF #5D5DC9

Accessibility & contrast

On white

11.90

#2B2B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2B2B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2B81

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2B81	#FFFFFF	#000000	##FFFFFF
##2B2B81	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B84

Deuteranopia (green-blind)

#00337F

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2b2b81;
/* rgb */ color: rgb(43, 43, 129);
/* oklch */ color: oklch(34.9% 0.141 276.2);

Tailwind

colors: {
  custom: {
    50: '#7064a6',
    500: '#2b2b81',
    950: '#000000',
  },
}

SCSS

$custom: #2b2b81;
$custom-light: #7064a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2b81",
  "rgb": {
    "r": 43,
    "g": 43,
    "b": 129
  },
  "hsl": {
    "h": 240,
    "s": 50,
    "l": 33.725
  },
  "oklch": {
    "l": 0.34874,
    "c": 0.14074,
    "h": 276.2
  },
  "luminance": 0.03826
}

Semantic roles & 50–950 ramp

primary

#2B2B81

secondary

#AFAF59

accent

#DA4EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08050F

muted

#7B7A7F

Preview Lab

Preview with #2B2B81

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

Preview Lab → · Contrast checker → · Palette generator →