#2D40B9#2D40B9

#2D40B9 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.0% C 0.190 H 269.6°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#2D40B9
RGB	rgb(45, 64, 185)
HSL	hsl(232, 61%, 45%)
HSV	hsv(232, 76%, 73%)
CMYK	cmyk(75.7%, 65.4%, 0%, 27.5%)
CIE-LAB	lab(33.41, 35.55, -65.72)
CIE-LCH	lch(33.41, 74.72, 298.41°)
OKLab	oklab(44.01% -0.0014 -0.1901)
OKLCH	oklch(44.01% 0.19 269.6)
XYZ	xyz(11.6695, 7.7262, 46.7658)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.56

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D40B9 #B9A62D

analogous

#2D86B9 #2D40B9 #602DB9

triadic

#2D40B9 #B92D40 #40B92D

tetradic

#2D40B9 #B92D86 #B9A62D #2DB960

square

#2D40B9 #B92D86 #B9A62D #2DB960

split-complementary

#2D40B9 #B9602D #86B92D

monochromatic

#151E57 #212F88 #2D40B9 #4F61D4 #808DE0

Accessibility & contrast

On white

8.25

#2D40B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2D40B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D40B9

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D40B9	#FFFFFF	#000000	##FFFFFF
##2D40B9	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BD

Deuteranopia (green-blind)

#0048B7

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2d40b9;
/* rgb */ color: rgb(45, 64, 185);
/* oklch */ color: oklch(44.0% 0.190 269.6);

Tailwind

colors: {
  custom: {
    50: '#7c75cf',
    500: '#2d40b9',
    950: '#000000',
  },
}

SCSS

$custom: #2d40b9;
$custom-light: #7c75cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d40b9",
  "rgb": {
    "r": 45,
    "g": 64,
    "b": 185
  },
  "hsl": {
    "h": 231.857,
    "s": 60.87,
    "l": 45.098
  },
  "oklch": {
    "l": 0.44007,
    "c": 0.1901,
    "h": 269.6
  },
  "luminance": 0.07727
}

Semantic roles & 50–950 ramp

primary

#2D40B9

secondary

#C9BE79

accent

#CE44E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2D40B9

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

Preview Lab → · Contrast checker → · Palette generator →