#2D41B1#2D41B1

#2D41B1 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.5% C 0.178 H 269.5°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#2D41B1
RGB	rgb(45, 65, 177)
HSL	hsl(231, 59%, 44%)
HSV	hsv(231, 75%, 69%)
CMYK	cmyk(74.6%, 63.3%, 0%, 30.6%)
CIE-LAB	lab(32.94, 32.00, -61.73)
CIE-LCH	lch(32.94, 69.53, 297.40°)
OKLab	oklab(43.45% -0.0017 -0.1784)
OKLCH	oklch(43.45% 0.178 269.5)
XYZ	xyz(10.9056, 7.5116, 42.4616)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D41B1 #B19D2D

analogous

#2D83B1 #2D41B1 #5B2DB1

triadic

#2D41B1 #B12D41 #41B12D

tetradic

#2D41B1 #B12D83 #B19D2D #2DB15B

square

#2D41B1 #B12D83 #B19D2D #2DB15B

split-complementary

#2D41B1 #B15B2D #83B12D

monochromatic

#141D4F #212F80 #2D41B1 #4A5FD1 #7B8ADD

Accessibility & contrast

On white

8.39

#2D41B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2D41B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D41B1

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D41B1	#FFFFFF	#000000	##FFFFFF
##2D41B1	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#0047AF

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2d41b1;
/* rgb */ color: rgb(45, 65, 177);
/* oklch */ color: oklch(43.5% 0.178 269.5);

Tailwind

colors: {
  custom: {
    50: '#7a75c9',
    500: '#2d41b1',
    950: '#000000',
  },
}

SCSS

$custom: #2d41b1;
$custom-light: #7a75c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d41b1",
  "rgb": {
    "r": 45,
    "g": 65,
    "b": 177
  },
  "hsl": {
    "h": 230.909,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4345,
    "c": 0.17843,
    "h": 269.5
  },
  "luminance": 0.07513
}

Semantic roles & 50–950 ramp

primary

#2D41B1

secondary

#C6B974

accent

#CB45E3

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2D41B1

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

Preview Lab → · Contrast checker → · Palette generator →