#3D55BA#3D55BA

#3D55BA is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.9% C 0.161 H 269.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#3D55BA
RGB	rgb(61, 85, 186)
HSL	hsl(228, 51%, 48%)
HSV	hsv(228, 67%, 73%)
CMYK	cmyk(67.2%, 54.3%, 0%, 27.1%)
CIE-LAB	lab(39.64, 24.46, -56.12)
CIE-LCH	lch(39.64, 61.21, 293.55°)
OKLab	oklab(48.88% -0.0015 -0.1613)
OKLCH	oklch(48.88% 0.161 269.5)
XYZ	xyz(14.0329, 11.0329, 47.8349)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D55BA #BAA23D

analogous

#3D93BA #3D55BA #633DBA

triadic

#3D55BA #BA3D55 #55BA3D

tetradic

#3D55BA #BA3D93 #BAA23D #3DBA63

square

#3D55BA #BA3D93 #BAA23D #3DBA63

split-complementary

#3D55BA #BA633D #93BA3D

monochromatic

#1F2B5E #2E408C #3D55BA #677BCD #95A3DC

Accessibility & contrast

On white

6.55

#3D55BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3D55BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D55BA

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D55BA	#FFFFFF	#000000	##FFFFFF
##3D55BA	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0763BE

Deuteranopia (green-blind)

#0058B8

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3d55ba;
/* rgb */ color: rgb(61, 85, 186);
/* oklch */ color: oklch(48.9% 0.161 269.5);

Tailwind

colors: {
  custom: {
    50: '#8184cf',
    500: '#3d55ba',
    950: '#000000',
  },
}

SCSS

$custom: #3d55ba;
$custom-light: #8184cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3d55ba",
  "rgb": {
    "r": 61,
    "g": 85,
    "b": 186
  },
  "hsl": {
    "h": 228.48,
    "s": 50.607,
    "l": 48.431
  },
  "oklch": {
    "l": 0.48882,
    "c": 0.16133,
    "h": 269.5
  },
  "luminance": 0.11034
}

Semantic roles & 50–950 ramp

primary

#3D55BA

secondary

#C8BC8B

accent

#BF4EDA

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3D55BA

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

Preview Lab → · Contrast checker → · Palette generator →