#3D40AF#3D40AF

#3D40AF is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.173 H 275.5°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#3D40AF
RGB	rgb(61, 64, 175)
HSL	hsl(238, 48%, 46%)
HSV	hsv(238, 65%, 69%)
CMYK	cmyk(65.1%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(33.46, 34.05, -59.66)
CIE-LCH	lch(33.46, 68.69, 299.71°)
OKLab	oklab(44.03% 0.0166 -0.1719)
OKLCH	oklch(44.03% 0.173 275.5)
XYZ	xyz(11.4932, 7.7531, 41.4399)
Luminance	0.0775 (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

#3D40AF #AFAC3D

analogous

#3D79AF #3D40AF #733DAF

triadic

#3D40AF #AF3D40 #40AF3D

tetradic

#3D40AF #AF3D79 #AFAC3D #3DAF73

square

#3D40AF #AF3D79 #AFAC3D #3DAF73

split-complementary

#3D40AF #AF733D #79AF3D

monochromatic

#1D1F54 #2D2F82 #3D40AF #6164C8 #8F91D8

Accessibility & contrast

On white

8.23

#3D40AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3D40AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40AF

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40AF	#FFFFFF	#000000	##FFFFFF
##3D40AF	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B3

Deuteranopia (green-blind)

#004AAD

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3d40af;
/* rgb */ color: rgb(61, 64, 175);
/* oklch */ color: oklch(44.0% 0.173 275.5);

Tailwind

colors: {
  custom: {
    50: '#8075c8',
    500: '#3d40af',
    950: '#000000',
  },
}

SCSS

$custom: #3d40af;
$custom-light: #8075c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40af",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 238.421,
    "s": 48.305,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44028,
    "c": 0.17275,
    "h": 275.5
  },
  "luminance": 0.07754
}

Semantic roles & 50–950 ramp

primary

#3D40AF

secondary

#C3C185

accent

#D450D8

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3D40AF

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

Preview Lab → · Contrast checker → · Palette generator →