#3D55AC#3D55AC

#3D55AC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.8% C 0.142 H 268.9°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3D55AC
RGB	rgb(61, 85, 172)
HSL	hsl(227, 48%, 46%)
HSV	hsv(227, 65%, 67%)
CMYK	cmyk(64.5%, 50.6%, 0%, 32.5%)
CIE-LAB	lab(38.67, 19.43, -49.44)
CIE-LCH	lch(38.67, 53.11, 291.45°)
OKLab	oklab(47.84% -0.0027 -0.1417)
OKLCH	oklch(47.84% 0.142 268.9)
XYZ	xyz(12.6168, 10.4665, 40.3771)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D55AC #AC943D

analogous

#3D8CAC #3D55AC #5C3DAC

triadic

#3D55AC #AC3D55 #55AC3D

tetradic

#3D55AC #AC3D8C #AC943D #3DAC5C

square

#3D55AC #AC3D8C #AC943D #3DAC5C

split-complementary

#3D55AC #AC5C3D #8CAC3D

monochromatic

#1D2852 #2D3F7F #3D55AC #6076C7 #8D9DD7

Accessibility & contrast

On white

6.79

#3D55AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3D55AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D55AC

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D55AC	#FFFFFF	#000000	##FFFFFF
##3D55AC	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2560AF

Deuteranopia (green-blind)

#0456AA

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3d55ac;
/* rgb */ color: rgb(61, 85, 172);
/* oklch */ color: oklch(47.8% 0.142 268.9);

Tailwind

colors: {
  custom: {
    50: '#7e84c5',
    500: '#3d55ac',
    950: '#000000',
  },
}

SCSS

$custom: #3d55ac;
$custom-light: #7e84c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3d55ac",
  "rgb": {
    "r": 61,
    "g": 85,
    "b": 172
  },
  "hsl": {
    "h": 227.027,
    "s": 47.639,
    "l": 45.686
  },
  "oklch": {
    "l": 0.47841,
    "c": 0.14169,
    "h": 268.9
  },
  "luminance": 0.10468
}

Semantic roles & 50–950 ramp

primary

#3D55AC

secondary

#C1B484

accent

#BA51D7

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3D55AC

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

Preview Lab → · Contrast checker → · Palette generator →