#3D42BC#3D42BC

#3D42BC is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.187 H 274.3°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3D42BC
RGB	rgb(61, 66, 188)
HSL	hsl(238, 51%, 49%)
HSV	hsv(238, 68%, 74%)
CMYK	cmyk(67.6%, 64.9%, 0%, 26.3%)
CIE-LAB	lab(35.04, 37.27, -64.77)
CIE-LCH	lch(35.04, 74.73, 299.91°)
OKLab	oklab(45.52% 0.0141 -0.1869)
OKLCH	oklch(45.52% 0.187 274.3)
XYZ	xyz(12.9468, 8.5182, 48.5291)
Luminance	0.0852 (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

#3D42BC #BCB73D

analogous

#3D82BC #3D42BC #783DBC

triadic

#3D42BC #BC3D42 #42BC3D

tetradic

#3D42BC #BC3D82 #BCB73D #3DBC78

square

#3D42BC #BC3D82 #BCB73D #3DBC78

split-complementary

#3D42BC #BC783D #82BC3D

monochromatic

#1F2260 #2E328E #3D42BC #686CCE #9699DD

Accessibility & contrast

On white

7.77

#3D42BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3D42BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D42BC

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D42BC	#FFFFFF	#000000	##FFFFFF
##3D42BC	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3d42bc;
/* rgb */ color: rgb(61, 66, 188);
/* oklch */ color: oklch(45.5% 0.187 274.3);

Tailwind

colors: {
  custom: {
    50: '#8277d1',
    500: '#3d42bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d42bc;
$custom-light: #8277d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d42bc",
  "rgb": {
    "r": 61,
    "g": 66,
    "b": 188
  },
  "hsl": {
    "h": 237.638,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45522,
    "c": 0.18747,
    "h": 274.3
  },
  "luminance": 0.08519
}

Semantic roles & 50–950 ramp

primary

#3D42BC

secondary

#C9C68C

accent

#D54DDA

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3D42BC

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

Preview Lab → · Contrast checker → · Palette generator →