#2D40B6#2D40B6

#2D40B6 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.7% C 0.186 H 269.6°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#2D40B6
RGB	rgb(45, 64, 182)
HSL	hsl(232, 60%, 45%)
HSV	hsv(232, 75%, 71%)
CMYK	cmyk(75.3%, 64.8%, 0%, 28.6%)
CIE-LAB	lab(33.14, 34.46, -64.38)
CIE-LCH	lch(33.14, 73.03, 298.16°)
OKLab	oklab(43.73% -0.0013 -0.1862)
OKLCH	oklch(43.73% 0.186 269.6)
XYZ	xyz(11.3562, 7.6009, 45.1155)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.82

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D40B6 #B6A32D

analogous

#2D85B6 #2D40B6 #5F2DB6

triadic

#2D40B6 #B62D40 #40B62D

tetradic

#2D40B6 #B62D85 #B6A32D #2DB65F

square

#2D40B6 #B62D85 #B6A32D #2DB65F

split-complementary

#2D40B6 #B65F2D #85B62D

monochromatic

#151D54 #212F85 #2D40B6 #4D60D3 #7E8CDF

Accessibility & contrast

On white

8.33

#2D40B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2D40B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D40B6

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D40B6	#FFFFFF	#000000	##FFFFFF
##2D40B6	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BA

Deuteranopia (green-blind)

#0048B4

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2d40b6;
/* rgb */ color: rgb(45, 64, 182);
/* oklch */ color: oklch(43.7% 0.186 269.6);

Tailwind

colors: {
  custom: {
    50: '#7b75cd',
    500: '#2d40b6',
    950: '#000000',
  },
}

SCSS

$custom: #2d40b6;
$custom-light: #7b75cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2d40b6",
  "rgb": {
    "r": 45,
    "g": 64,
    "b": 182
  },
  "hsl": {
    "h": 231.679,
    "s": 60.352,
    "l": 44.51
  },
  "oklch": {
    "l": 0.43727,
    "c": 0.18619,
    "h": 269.6
  },
  "luminance": 0.07602
}

Semantic roles & 50–950 ramp

primary

#2D40B6

secondary

#C8BD77

accent

#CD44E3

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2D40B6

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

Preview Lab → · Contrast checker → · Palette generator →