#3D5FBC#3D5FBC

#3D5FBC is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.152 H 266.1°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3D5FBC
RGB	rgb(61, 95, 188)
HSL	hsl(224, 51%, 49%)
HSV	hsv(224, 68%, 74%)
CMYK	cmyk(67.6%, 49.5%, 0%, 26.3%)
CIE-LAB	lab(42.47, 18.72, -52.71)
CIE-LCH	lch(42.47, 55.94, 289.55°)
OKLab	oklab(51.07% -0.0104 -0.1511)
OKLCH	oklch(51.07% 0.152 266.1)
XYZ	xyz(15.0906, 12.8059, 49.2437)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D5FBC #BC9A3D

analogous

#3D9FBC #3D5FBC #5B3DBC

triadic

#3D5FBC #BC3D5F #5FBC3D

tetradic

#3D5FBC #BC3D9F #BC9A3D #3DBC5B

square

#3D5FBC #BC3D9F #BC9A3D #3DBC5B

split-complementary

#3D5FBC #BC5B3D #9FBC3D

monochromatic

#1F3060 #2E488E #3D5FBC #6883CE #96A9DD

Accessibility & contrast

On white

5.90

#3D5FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3D5FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D5FBC

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D5FBC	#FFFFFF	#000000	##FFFFFF
##3D5FBC	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6ABF

Deuteranopia (green-blind)

#035FBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3d5fbc;
/* rgb */ color: rgb(61, 95, 188);
/* oklch */ color: oklch(51.1% 0.152 266.1);

Tailwind

colors: {
  custom: {
    50: '#818bd1',
    500: '#3d5fbc',
    950: '#000000',
  },
}

SCSS

$custom: #3d5fbc;
$custom-light: #818bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d5fbc",
  "rgb": {
    "r": 61,
    "g": 95,
    "b": 188
  },
  "hsl": {
    "h": 223.937,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51071,
    "c": 0.15151,
    "h": 266.1
  },
  "luminance": 0.12807
}

Semantic roles & 50–950 ramp

primary

#3D5FBC

secondary

#C9B88C

accent

#B54DDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3D5FBC

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

Preview Lab → · Contrast checker → · Palette generator →