#2B2C81#2B2C81

#2B2C81 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.1% C 0.139 H 276.0°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#2B2C81
RGB	rgb(43, 44, 129)
HSL	hsl(239, 50%, 34%)
HSV	hsv(239, 67%, 51%)
CMYK	cmyk(66.7%, 65.9%, 0%, 49.4%)
CIE-LAB	lab(23.34, 27.95, -48.11)
CIE-LCH	lch(23.34, 55.64, 300.15°)
OKLab	oklab(35.06% 0.0145 -0.1387)
OKLCH	oklch(35.06% 0.139 276)
XYZ	xyz(5.8581, 3.8994, 21.2086)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B2C81 #81802B

analogous

#2B5781 #2B2C81 #552B81

triadic

#2B2C81 #812B2C #2C812B

tetradic

#2B2C81 #812B57 #81802B #2B8155

square

#2B2C81 #812B57 #81802B #2B8155

split-complementary

#2B2C81 #81552B #57812B

monochromatic

#0C0D25 #1C1C53 #2B2C81 #3A3CAF #5D5FC9

Accessibility & contrast

On white

11.80

#2B2C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#2B2C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B2C81

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B2C81	#FFFFFF	#000000	##FFFFFF
##2B2C81	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B84

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#004252

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2b2c81;
/* rgb */ color: rgb(43, 44, 129);
/* oklch */ color: oklch(35.1% 0.139 276.0);

Tailwind

colors: {
  custom: {
    50: '#7065a6',
    500: '#2b2c81',
    950: '#000000',
  },
}

SCSS

$custom: #2b2c81;
$custom-light: #7065a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b2c81",
  "rgb": {
    "r": 43,
    "g": 44,
    "b": 129
  },
  "hsl": {
    "h": 239.302,
    "s": 50,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35056,
    "c": 0.13945,
    "h": 276
  },
  "luminance": 0.039
}

Semantic roles & 50–950 ramp

primary

#2B2C81

secondary

#AFAE59

accent

#D84EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08050F

muted

#7B7A7F

Preview Lab

Preview with #2B2C81

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

Preview Lab → · Contrast checker → · Palette generator →