#3673D7#3673D7

#3673D7 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.9% C 0.166 H 259.8°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3673D7
RGB	rgb(54, 115, 215)
HSL	hsl(217, 67%, 53%)
HSV	hsv(217, 75%, 84%)
CMYK	cmyk(74.9%, 46.5%, 0%, 15.7%)
CIE-LAB	lab(49.44, 14.92, -57.03)
CIE-LCH	lch(49.44, 58.95, 284.66°)
OKLab	oklab(56.88% -0.0294 -0.1636)
OKLCH	oklch(56.88% 0.166 259.8)
XYZ	xyz(19.9133, 17.9498, 66.6920)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3673D7 #D79A36

analogous

#36C4D7 #3673D7 #4936D7

triadic

#3673D7 #D73673 #73D736

tetradic

#3673D7 #D736C4 #D79A36 #36D749

square

#3673D7 #D736C4 #D79A36 #36D749

split-complementary

#3673D7 #D74936 #C4D736

monochromatic

#183D7A #2257AD #3673D7 #6997E1 #9CBAEB

Accessibility & contrast

On white

4.57

#3673D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3673D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3673D7

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3673D7	#FFFFFF	#000000	##000000
##3673D7	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7DDB

Deuteranopia (green-blind)

#126FD5

Tritanopia (blue-blind)

#008B9A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3673d7;
/* rgb */ color: rgb(54, 115, 215);
/* oklch */ color: oklch(56.9% 0.166 259.8);

Tailwind

colors: {
  custom: {
    50: '#839ae4',
    500: '#3673d7',
    950: '#000000',
  },
}

SCSS

$custom: #3673d7;
$custom-light: #839ae4;
$custom-dark: #000000;

JSON

{
  "hex": "#3673d7",
  "rgb": {
    "r": 54,
    "g": 115,
    "b": 215
  },
  "hsl": {
    "h": 217.267,
    "s": 66.805,
    "l": 52.745
  },
  "oklch": {
    "l": 0.56881,
    "c": 0.16626,
    "h": 259.8
  },
  "luminance": 0.17952
}

Semantic roles & 50–950 ramp

primary

#3673D7

secondary

#D7BD92

accent

#A93EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3673D7

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

Preview Lab → · Contrast checker → · Palette generator →