#3D30B5#3D30B5

#3D30B5 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 42.1% C 0.199 H 277.9°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#3D30B5
RGB	rgb(61, 48, 181)
HSL	hsl(246, 58%, 45%)
HSV	hsv(246, 73%, 71%)
CMYK	cmyk(66.3%, 73.5%, 0%, 29%)
CIE-LAB	lab(30.50, 45.57, -68.09)
CIE-LCH	lch(30.50, 81.93, 303.79°)
OKLab	oklab(42.06% 0.0274 -0.1966)
OKLCH	oklch(42.06% 0.199 277.9)
XYZ	xyz(11.3192, 6.4412, 44.3539)
Luminance	0.0644 (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

#3D30B5 #A8B530

analogous

#3065B5 #3D30B5 #8030B5

triadic

#3D30B5 #B53D30 #30B53D

tetradic

#3D30B5 #B53065 #A8B530 #30B580

square

#3D30B5 #B53065 #A8B530 #30B580

split-complementary

#3D30B5 #B58030 #65B530

monochromatic

#1C1654 #2D2385 #3D30B5 #5E51D1 #8B82DE

Accessibility & contrast

On white

9.18

#3D30B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3D30B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D30B5

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D30B5	#FFFFFF	#000000	##FFFFFF
##3D30B5	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB9

Deuteranopia (green-blind)

#0042B3

Tritanopia (blue-blind)

#005670

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3d30b5;
/* rgb */ color: rgb(61, 48, 181);
/* oklch */ color: oklch(42.1% 0.199 277.9);

Tailwind

colors: {
  custom: {
    50: '#836acc',
    500: '#3d30b5',
    950: '#000000',
  },
}

SCSS

$custom: #3d30b5;
$custom-light: #836acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3d30b5",
  "rgb": {
    "r": 61,
    "g": 48,
    "b": 181
  },
  "hsl": {
    "h": 245.865,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42057,
    "c": 0.19853,
    "h": 277.9
  },
  "luminance": 0.06442
}

Semantic roles & 50–950 ramp

primary

#3D30B5

secondary

#BFC77A

accent

#E146D2

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3D30B5

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

Preview Lab → · Contrast checker → · Palette generator →