#3D40AE#3D40AE

#3D40AE is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.171 H 275.6°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#3D40AE
RGB	rgb(61, 64, 174)
HSL	hsl(238, 48%, 46%)
HSV	hsv(238, 65%, 68%)
CMYK	cmyk(64.9%, 63.2%, 0%, 31.8%)
CIE-LAB	lab(33.38, 33.70, -59.20)
CIE-LCH	lch(33.38, 68.12, 299.65°)
OKLab	oklab(43.94% 0.0166 -0.1706)
OKLCH	oklch(43.94% 0.171 275.6)
XYZ	xyz(11.3953, 7.7139, 40.9246)
Luminance	0.0771 (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

#3D40AE #AEAB3D

analogous

#3D78AE #3D40AE #723DAE

triadic

#3D40AE #AE3D40 #40AE3D

tetradic

#3D40AE #AE3D78 #AEAB3D #3DAE72

square

#3D40AE #AE3D78 #AEAB3D #3DAE72

split-complementary

#3D40AE #AE723D #78AE3D

monochromatic

#1D1F53 #2D2F81 #3D40AE #6163C8 #8E90D7

Accessibility & contrast

On white

8.26

#3D40AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3D40AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D40AE

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D40AE	#FFFFFF	#000000	##FFFFFF
##3D40AE	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#004AAC

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3d40ae;
/* rgb */ color: rgb(61, 64, 174);
/* oklch */ color: oklch(43.9% 0.171 275.6);

Tailwind

colors: {
  custom: {
    50: '#8075c7',
    500: '#3d40ae',
    950: '#000000',
  },
}

SCSS

$custom: #3d40ae;
$custom-light: #8075c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3d40ae",
  "rgb": {
    "r": 61,
    "g": 64,
    "b": 174
  },
  "hsl": {
    "h": 238.407,
    "s": 48.085,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43941,
    "c": 0.17141,
    "h": 275.6
  },
  "luminance": 0.07715
}

Semantic roles & 50–950 ramp

primary

#3D40AE

secondary

#C2C185

accent

#D450D8

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3D40AE

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

Preview Lab → · Contrast checker → · Palette generator →