#3D3FA1#3D3FA1

#3D3FA1 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.7% C 0.155 H 276.7°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#3D3FA1
RGB	rgb(61, 63, 161)
HSL	hsl(239, 45%, 44%)
HSV	hsv(239, 62%, 63%)
CMYK	cmyk(62.1%, 60.9%, 0%, 36.9%)
CIE-LAB	lab(32.08, 29.85, -53.52)
CIE-LCH	lch(32.08, 61.29, 299.15°)
OKLab	oklab(42.65% 0.0181 -0.1539)
OKLCH	oklch(42.65% 0.155 276.7)
XYZ	xyz(10.1329, 7.1195, 34.5515)
Luminance	0.0712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D3FA1 #A19F3D

analogous

#3D71A1 #3D3FA1 #6D3DA1

triadic

#3D3FA1 #A13D3F #3FA13D

tetradic

#3D3FA1 #A13D71 #A19F3D #3DA16D

square

#3D3FA1 #A13D71 #A19F3D #3DA16D

split-complementary

#3D3FA1 #A16D3D #71A13D

monochromatic

#1B1C48 #2C2E75 #3D3FA1 #5B5DC1 #8788D1

Accessibility & contrast

On white

8.66

#3D3FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3D3FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D3FA1

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D3FA1	#FFFFFF	#000000	##FFFFFF
##3D3FA1	1.00	8.66	2.42	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A4

Deuteranopia (green-blind)

#00479F

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3d3fa1;
/* rgb */ color: rgb(61, 63, 161);
/* oklch */ color: oklch(42.7% 0.155 276.7);

Tailwind

colors: {
  custom: {
    50: '#7d74be',
    500: '#3d3fa1',
    950: '#000000',
  },
}

SCSS

$custom: #3d3fa1;
$custom-light: #7d74be;
$custom-dark: #000000;

JSON

{
  "hex": "#3d3fa1",
  "rgb": {
    "r": 61,
    "g": 63,
    "b": 161
  },
  "hsl": {
    "h": 238.8,
    "s": 45.045,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42653,
    "c": 0.155,
    "h": 276.7
  },
  "luminance": 0.0712
}

Semantic roles & 50–950 ramp

primary

#3D3FA1

secondary

#BCBB7E

accent

#D253D5

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3D3FA1

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

Preview Lab → · Contrast checker → · Palette generator →