#3D55BC#3D55BC

#3D55BC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.0% C 0.164 H 269.5°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#3D55BC
RGB	rgb(61, 85, 188)
HSL	hsl(229, 51%, 49%)
HSV	hsv(229, 68%, 74%)
CMYK	cmyk(67.6%, 54.8%, 0%, 26.3%)
CIE-LAB	lab(39.78, 25.17, -57.05)
CIE-LCH	lch(39.78, 62.36, 293.81°)
OKLab	oklab(49.04% -0.0014 -0.1641)
OKLCH	oklch(49.04% 0.164 269.5)
XYZ	xyz(14.2470, 11.1186, 48.9625)
Luminance	0.1112 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D55BC #BCA43D

analogous

#3D95BC #3D55BC #653DBC

triadic

#3D55BC #BC3D55 #55BC3D

tetradic

#3D55BC #BC3D95 #BCA43D #3DBC65

square

#3D55BC #BC3D95 #BCA43D #3DBC65

split-complementary

#3D55BC #BC653D #95BC3D

monochromatic

#1F2B60 #2E408E #3D55BC #687BCE #96A4DD

Accessibility & contrast

On white

6.51

#3D55BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3D55BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D55BC

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D55BC	#FFFFFF	#000000	##FFFFFF
##3D55BC	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3d55bc;
/* rgb */ color: rgb(61, 85, 188);
/* oklch */ color: oklch(49.0% 0.164 269.5);

Tailwind

colors: {
  custom: {
    50: '#8184d1',
    500: '#3d55bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d55bc;
$custom-light: #8184d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d55bc",
  "rgb": {
    "r": 61,
    "g": 85,
    "b": 188
  },
  "hsl": {
    "h": 228.661,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49035,
    "c": 0.16409,
    "h": 269.5
  },
  "luminance": 0.1112
}

Semantic roles & 50–950 ramp

primary

#3D55BC

secondary

#C9BD8C

accent

#C04DDA

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3D55BC

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

Preview Lab → · Contrast checker → · Palette generator →