#3D40AA#3D40AA

#3D40AA is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.6% C 0.166 H 275.8°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#3D40AA
RGB	rgb(61, 64, 170)
HSL	hsl(238, 47%, 45%)
HSV	hsv(238, 64%, 67%)
CMYK	cmyk(64.1%, 62.4%, 0%, 33.3%)
CIE-LAB	lab(33.05, 32.32, -57.35)
CIE-LCH	lch(33.05, 65.83, 299.41°)
OKLab	oklab(43.6% 0.0168 -0.1652)
OKLCH	oklch(43.6% 0.166 275.8)
XYZ	xyz(11.0112, 7.5603, 38.9014)
Luminance	0.0756 (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

#3D40AA #AAA73D

analogous

#3D76AA #3D40AA #713DAA

triadic

#3D40AA #AA3D40 #40AA3D

tetradic

#3D40AA #AA3D76 #AAA73D #3DAA71

square

#3D40AA #AA3D76 #AAA73D #3DAA71

split-complementary

#3D40AA #AA713D #76AA3D

monochromatic

#1D1E50 #2D2F7D #3D40AA #5F62C5 #8C8ED6

Accessibility & contrast

On white

8.36

#3D40AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3D40AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40AA

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40AA	#FFFFFF	#000000	##FFFFFF
##3D40AA	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AD

Deuteranopia (green-blind)

#0049A8

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3d40aa;
/* rgb */ color: rgb(61, 64, 170);
/* oklch */ color: oklch(43.6% 0.166 275.8);

Tailwind

colors: {
  custom: {
    50: '#7f75c4',
    500: '#3d40aa',
    950: '#000000',
  },
}

SCSS

$custom: #3d40aa;
$custom-light: #7f75c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40aa",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 170
  },
  "hsl": {
    "h": 238.349,
    "s": 47.186,
    "l": 45.294
  },
  "oklch": {
    "l": 0.43596,
    "c": 0.16603,
    "h": 275.8
  },
  "luminance": 0.07561
}

Semantic roles & 50–950 ramp

primary

#3D40AA

secondary

#C0BF82

accent

#D351D7

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3D40AA

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

Preview Lab → · Contrast checker → · Palette generator →