#3D40AC#3D40AC

#3D40AC is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.8% C 0.169 H 275.7°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#3D40AC
RGB	rgb(61, 64, 172)
HSL	hsl(238, 48%, 46%)
HSV	hsv(238, 65%, 67%)
CMYK	cmyk(64.5%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(33.21, 33.01, -58.27)
CIE-LCH	lch(33.21, 66.98, 299.53°)
OKLab	oklab(43.77% 0.0167 -0.1679)
OKLCH	oklch(43.77% 0.169 275.7)
XYZ	xyz(11.2018, 7.6365, 39.9054)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D40AC #ACA93D

analogous

#3D77AC #3D40AC #713DAC

triadic

#3D40AC #AC3D40 #40AC3D

tetradic

#3D40AC #AC3D77 #ACA93D #3DAC71

square

#3D40AC #AC3D77 #ACA93D #3DAC71

split-complementary

#3D40AC #AC713D #77AC3D

monochromatic

#1D1E52 #2D2F7F #3D40AC #6062C7 #8D8FD7

Accessibility & contrast

On white

8.31

#3D40AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3D40AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40AC

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40AC	#FFFFFF	#000000	##FFFFFF
##3D40AC	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AF

Deuteranopia (green-blind)

#0049AA

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3d40ac;
/* rgb */ color: rgb(61, 64, 172);
/* oklch */ color: oklch(43.8% 0.169 275.7);

Tailwind

colors: {
  custom: {
    50: '#7f75c6',
    500: '#3d40ac',
    950: '#000000',
  },
}

SCSS

$custom: #3d40ac;
$custom-light: #7f75c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40ac",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 238.378,
    "s": 47.639,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43768,
    "c": 0.16872,
    "h": 275.7
  },
  "luminance": 0.07637
}

Semantic roles & 50–950 ramp

primary

#3D40AC

secondary

#C1C084

accent

#D451D7

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3D40AC

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

Preview Lab → · Contrast checker → · Palette generator →