#3D41B8#3D41B8

#3D41B8 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 45.0% C 0.183 H 274.7°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#3D41B8
RGB	rgb(61, 65, 184)
HSL	hsl(238, 50%, 48%)
HSV	hsv(238, 67%, 72%)
CMYK	cmyk(66.8%, 64.7%, 0%, 27.8%)
CIE-LAB	lab(34.46, 36.51, -63.36)
CIE-LCH	lch(34.46, 73.13, 299.95°)
OKLab	oklab(44.99% 0.0151 -0.1828)
OKLCH	oklch(44.99% 0.183 274.7)
XYZ	xyz(12.4636, 8.2323, 46.2703)
Luminance	0.0823 (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

#3D41B8 #B8B43D

analogous

#3D7EB8 #3D41B8 #763DB8

triadic

#3D41B8 #B83D41 #41B83D

tetradic

#3D41B8 #B83D7E #B8B43D #3DB876

square

#3D41B8 #B83D7E #B8B43D #3DB876

split-complementary

#3D41B8 #B8763D #7EB83D

monochromatic

#1F215C #2E318A #3D41B8 #6669CC #9496DB

Accessibility & contrast

On white

7.93

#3D41B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3D41B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D41B8

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D41B8	#FFFFFF	#000000	##FFFFFF
##3D41B8	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BC

Deuteranopia (green-blind)

#004CB6

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3d41b8;
/* rgb */ color: rgb(61, 65, 184);
/* oklch */ color: oklch(45.0% 0.183 274.7);

Tailwind

colors: {
  custom: {
    50: '#8276ce',
    500: '#3d41b8',
    950: '#000000',
  },
}

SCSS

$custom: #3d41b8;
$custom-light: #8276ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3d41b8",
  "rgb": {
    "r": 61,
    "g": 65,
    "b": 184
  },
  "hsl": {
    "h": 238.049,
    "s": 50.204,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44994,
    "c": 0.18344,
    "h": 274.7
  },
  "luminance": 0.08233
}

Semantic roles & 50–950 ramp

primary

#3D41B8

secondary

#C7C58A

accent

#D54EDA

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3D41B8

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

Preview Lab → · Contrast checker → · Palette generator →