#3673D3#3673D3

#3673D3 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.6% C 0.161 H 259.2°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3673D3
RGB	rgb(54, 115, 211)
HSL	hsl(217, 64%, 52%)
HSV	hsv(217, 74%, 83%)
CMYK	cmyk(74.4%, 45.5%, 0%, 17.3%)
CIE-LAB	lab(49.19, 13.44, -55.16)
CIE-LCH	lch(49.19, 56.77, 283.69°)
OKLab	oklab(56.61% -0.03 -0.1581)
OKLCH	oklch(56.61% 0.161 259.2)
XYZ	xyz(19.4057, 17.7467, 64.0181)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3673D3 #D39636

analogous

#36C2D3 #3673D3 #4836D3

triadic

#3673D3 #D33673 #73D336

tetradic

#3673D3 #D336C2 #D39636 #36D348

square

#3673D3 #D336C2 #D39636 #36D348

split-complementary

#3673D3 #D34836 #C2D336

monochromatic

#1A3D75 #2557A7 #3673D3 #6896DE #9AB9E9

Accessibility & contrast

On white

4.62

#3673D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3673D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3673D3

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3673D3	#FFFFFF	#000000	##FFFFFF
##3673D3	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417DD7

Deuteranopia (green-blind)

#1D6ED1

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3673d3;
/* rgb */ color: rgb(54, 115, 211);
/* oklch */ color: oklch(56.6% 0.161 259.2);

Tailwind

colors: {
  custom: {
    50: '#829ae1',
    500: '#3673d3',
    950: '#000000',
  },
}

SCSS

$custom: #3673d3;
$custom-light: #829ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#3673d3",
  "rgb": {
    "r": 54,
    "g": 115,
    "b": 211
  },
  "hsl": {
    "h": 216.688,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.5661,
    "c": 0.16097,
    "h": 259.2
  },
  "luminance": 0.17749
}

Semantic roles & 50–950 ramp

primary

#3673D3

secondary

#D5BA90

accent

#A641E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3673D3

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

Preview Lab → · Contrast checker → · Palette generator →