#3D30B1#3D30B1

#3D30B1 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.7% C 0.194 H 278.4°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#3D30B1
RGB	rgb(61, 48, 177)
HSL	hsl(246, 57%, 44%)
HSV	hsv(246, 73%, 69%)
CMYK	cmyk(65.5%, 72.9%, 0%, 30.6%)
CIE-LAB	lab(30.11, 44.29, -66.35)
CIE-LCH	lch(30.11, 79.78, 303.73°)
OKLab	oklab(41.66% 0.0282 -0.1916)
OKLCH	oklch(41.66% 0.194 278.4)
XYZ	xyz(10.9147, 6.2794, 42.2233)
Luminance	0.0628 (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

#3D30B1 #A4B130

analogous

#3063B1 #3D30B1 #7E30B1

triadic

#3D30B1 #B13D30 #30B13D

tetradic

#3D30B1 #B13063 #A4B130 #30B17E

square

#3D30B1 #B13063 #A4B130 #30B17E

split-complementary

#3D30B1 #B17E30 #63B130

monochromatic

#1C1651 #2C2381 #3D30B1 #5C4FCF #887FDC

Accessibility & contrast

On white

9.31

#3D30B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3D30B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D30B1

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D30B1	#FFFFFF	#000000	##FFFFFF
##3D30B1	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB5

Deuteranopia (green-blind)

#0042AF

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3d30b1;
/* rgb */ color: rgb(61, 48, 177);
/* oklch */ color: oklch(41.7% 0.194 278.4);

Tailwind

colors: {
  custom: {
    50: '#826ac9',
    500: '#3d30b1',
    950: '#000000',
  },
}

SCSS

$custom: #3d30b1;
$custom-light: #826ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d30b1",
  "rgb": {
    "r": 61,
    "g": 48,
    "b": 177
  },
  "hsl": {
    "h": 246.047,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41659,
    "c": 0.19363,
    "h": 278.4
  },
  "luminance": 0.0628
}

Semantic roles & 50–950 ramp

primary

#3D30B1

secondary

#BDC578

accent

#E147D1

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3D30B1

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

Preview Lab → · Contrast checker → · Palette generator →