#2F2B81#2F2B81

#2F2B81 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.2% C 0.140 H 278.5°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#2F2B81
RGB	rgb(47, 43, 129)
HSL	hsl(243, 50%, 34%)
HSV	hsv(243, 67%, 51%)
CMYK	cmyk(63.6%, 66.7%, 0%, 49.4%)
CIE-LAB	lab(23.39, 29.26, -48.01)
CIE-LCH	lch(23.39, 56.22, 301.36°)
OKLab	oklab(35.18% 0.0206 -0.1383)
OKLCH	oklch(35.18% 0.14 278.5)
XYZ	xyz(5.9973, 3.9166, 21.2046)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F2B81 #7D812B

analogous

#2B5281 #2F2B81 #5A2B81

triadic

#2F2B81 #812F2B #2B812F

tetradic

#2F2B81 #812B52 #7D812B #2B815A

square

#2F2B81 #812B52 #7D812B #2B815A

split-complementary

#2F2B81 #815A2B #52812B

monochromatic

#0E0C25 #1E1C53 #2F2B81 #403AAF #625DC9

Accessibility & contrast

On white

11.78

#2F2B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#2F2B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F2B81

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F2B81	#FFFFFF	#000000	##FFFFFF
##2F2B81	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B84

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #2f2b81;
/* rgb */ color: rgb(47, 43, 129);
/* oklch */ color: oklch(35.2% 0.140 278.5);

Tailwind

colors: {
  custom: {
    50: '#7265a6',
    500: '#2f2b81',
    950: '#000000',
  },
}

SCSS

$custom: #2f2b81;
$custom-light: #7265a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f2b81",
  "rgb": {
    "r": 47,
    "g": 43,
    "b": 129
  },
  "hsl": {
    "h": 242.791,
    "s": 50,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35177,
    "c": 0.1398,
    "h": 278.5
  },
  "luminance": 0.03917
}

Semantic roles & 50–950 ramp

primary

#2F2B81

secondary

#ABAF59

accent

#DA4ED3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09050F

muted

#7B7A7F

Preview Lab

Preview with #2F2B81

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

Preview Lab → · Contrast checker → · Palette generator →