#3D40A2#3D40A2

#3D40A2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.155 H 276.3°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#3D40A2
RGB	rgb(61, 64, 162)
HSL	hsl(238, 45%, 44%)
HSV	hsv(238, 62%, 64%)
CMYK	cmyk(62.3%, 60.5%, 0%, 36.5%)
CIE-LAB	lab(32.41, 29.56, -53.59)
CIE-LCH	lch(32.41, 61.20, 298.88°)
OKLab	oklab(42.92% 0.0171 -0.1541)
OKLCH	oklch(42.92% 0.155 276.3)
XYZ	xyz(10.2773, 7.2667, 35.0364)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D40A2 #A29F3D

analogous

#3D72A2 #3D40A2 #6C3DA2

triadic

#3D40A2 #A23D40 #40A23D

tetradic

#3D40A2 #A23D72 #A29F3D #3DA26C

square

#3D40A2 #A23D72 #A29F3D #3DA26C

split-complementary

#3D40A2 #A26C3D #72A23D

monochromatic

#1C1D49 #2C2E76 #3D40A2 #5B5EC1 #878AD2

Accessibility & contrast

On white

8.56

#3D40A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3D40A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40A2

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40A2	#FFFFFF	#000000	##FFFFFF
##3D40A2	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A5

Deuteranopia (green-blind)

#0048A0

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3d40a2;
/* rgb */ color: rgb(61, 64, 162);
/* oklch */ color: oklch(42.9% 0.155 276.3);

Tailwind

colors: {
  custom: {
    50: '#7d75be',
    500: '#3d40a2',
    950: '#000000',
  },
}

SCSS

$custom: #3d40a2;
$custom-light: #7d75be;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40a2",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 162
  },
  "hsl": {
    "h": 238.218,
    "s": 45.291,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42921,
    "c": 0.15508,
    "h": 276.3
  },
  "luminance": 0.07268
}

Semantic roles & 50–950 ramp

primary

#3D40A2

secondary

#BCBB7E

accent

#D153D5

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3D40A2

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

Preview Lab → · Contrast checker → · Palette generator →