#3D3FA9#3D3FA9

#3D3FA9 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.3% C 0.166 H 276.1°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3D3FA9
RGB	rgb(61, 63, 169)
HSL	hsl(239, 47%, 45%)
HSV	hsv(239, 64%, 66%)
CMYK	cmyk(63.9%, 62.7%, 0%, 33.7%)
CIE-LAB	lab(32.72, 32.61, -57.28)
CIE-LCH	lch(32.72, 65.91, 299.66°)
OKLab	oklab(43.33% 0.0178 -0.165)
OKLCH	oklch(43.33% 0.166 276.1)
XYZ	xyz(10.8611, 7.4108, 38.3865)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.50

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D3FA9 #A9A73D

analogous

#3D75A9 #3D3FA9 #713DA9

triadic

#3D3FA9 #A93D3F #3FA93D

tetradic

#3D3FA9 #A93D75 #A9A73D #3DA971

square

#3D3FA9 #A93D75 #A9A73D #3DA971

split-complementary

#3D3FA9 #A9713D #75A93D

monochromatic

#1D1D4F #2D2E7C #3D3FA9 #5E60C5 #8B8DD5

Accessibility & contrast

On white

8.46

#3D3FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3D3FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D3FA9

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D3FA9	#FFFFFF	#000000	##FFFFFF
##3D3FA9	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AC

Deuteranopia (green-blind)

#0048A7

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3d3fa9;
/* rgb */ color: rgb(61, 63, 169);
/* oklch */ color: oklch(43.3% 0.166 276.1);

Tailwind

colors: {
  custom: {
    50: '#7f74c3',
    500: '#3d3fa9',
    950: '#000000',
  },
}

SCSS

$custom: #3d3fa9;
$custom-light: #7f74c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3d3fa9",
  "rgb": {
    "r": 61,
    "g": 63,
    "b": 169
  },
  "hsl": {
    "h": 238.889,
    "s": 46.957,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43331,
    "c": 0.16593,
    "h": 276.1
  },
  "luminance": 0.07412
}

Semantic roles & 50–950 ramp

primary

#3D3FA9

secondary

#C0BF82

accent

#D451D7

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3D3FA9

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

Preview Lab → · Contrast checker → · Palette generator →