#2D2B81#2D2B81

#2D2B81 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.0% C 0.140 H 277.3°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#2D2B81
RGB	rgb(45, 43, 129)
HSL	hsl(241, 50%, 34%)
HSV	hsv(241, 67%, 51%)
CMYK	cmyk(65.1%, 66.7%, 0%, 49.4%)
CIE-LAB	lab(23.24, 28.93, -48.27)
CIE-LCH	lch(23.24, 56.27, 300.93°)
OKLab	oklab(35.02% 0.0179 -0.1391)
OKLCH	oklch(35.02% 0.14 277.3)
XYZ	xyz(5.9072, 3.8701, 21.2003)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D2B81 #7F812B

analogous

#2B5481 #2D2B81 #582B81

triadic

#2D2B81 #812D2B #2B812D

tetradic

#2D2B81 #812B54 #7F812B #2B8158

square

#2D2B81 #812B54 #7F812B #2B8158

split-complementary

#2D2B81 #81582B #54812B

monochromatic

#0D0C25 #1D1C53 #2D2B81 #3D3AAF #605DC9

Accessibility & contrast

On white

11.84

#2D2B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#2D2B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D2B81

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D2B81	#FFFFFF	#000000	##FFFFFF
##2D2B81	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B84

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #2d2b81;
/* rgb */ color: rgb(45, 43, 129);
/* oklch */ color: oklch(35.0% 0.140 277.3);

Tailwind

colors: {
  custom: {
    50: '#7165a6',
    500: '#2d2b81',
    950: '#000000',
  },
}

SCSS

$custom: #2d2b81;
$custom-light: #7165a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2d2b81",
  "rgb": {
    "r": 45,
    "g": 43,
    "b": 129
  },
  "hsl": {
    "h": 241.395,
    "s": 50,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35023,
    "c": 0.14025,
    "h": 277.3
  },
  "luminance": 0.03871
}

Semantic roles & 50–950 ramp

primary

#2D2B81

secondary

#ADAF59

accent

#DA4ED6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08050F

muted

#7B7A7F

Preview Lab

Preview with #2D2B81

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

Preview Lab → · Contrast checker → · Palette generator →