#3675D7#3675D7

#3675D7 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.3% C 0.164 H 259.1°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3675D7
RGB	rgb(54, 117, 215)
HSL	hsl(217, 67%, 53%)
HSV	hsv(217, 75%, 84%)
CMYK	cmyk(74.9%, 45.6%, 0%, 15.7%)
CIE-LAB	lab(49.99, 13.66, -56.14)
CIE-LCH	lch(49.99, 57.78, 283.68°)
OKLab	oklab(57.31% -0.031 -0.161)
OKLCH	oklch(57.31% 0.164 259.1)
XYZ	xyz(20.1439, 18.4109, 66.7688)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3675D7 #D79836

analogous

#36C5D7 #3675D7 #4836D7

triadic

#3675D7 #D73675 #75D736

tetradic

#3675D7 #D736C5 #D79836 #36D748

square

#3675D7 #D736C5 #D79836 #36D748

split-complementary

#3675D7 #D74836 #C5D736

monochromatic

#183F7A #2259AD #3675D7 #6998E1 #9CBBEB

Accessibility & contrast

On white

4.48

#3675D7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3675D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3675D7

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3675D7	#FFFFFF	#000000	##000000
##3675D7	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#417FDB

Deuteranopia (green-blind)

#1C70D5

Tritanopia (blue-blind)

#008C9B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3675d7;
/* rgb */ color: rgb(54, 117, 215);
/* oklch */ color: oklch(57.3% 0.164 259.1);

Tailwind

colors: {
  custom: {
    50: '#829ce4',
    500: '#3675d7',
    950: '#000000',
  },
}

SCSS

$custom: #3675d7;
$custom-light: #829ce4;
$custom-dark: #000000;

JSON

{
  "hex": "#3675d7",
  "rgb": {
    "r": 54,
    "g": 117,
    "b": 215
  },
  "hsl": {
    "h": 216.522,
    "s": 66.805,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57308,
    "c": 0.16395,
    "h": 259.1
  },
  "luminance": 0.18413
}

Semantic roles & 50–950 ramp

primary

#3675D7

secondary

#D7BC92

accent

#A73EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3675D7

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

Preview Lab → · Contrast checker → · Palette generator →