#3674D3#3674D3

#3674D3 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.8% C 0.160 H 258.9°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3674D3
RGB	rgb(54, 116, 211)
HSL	hsl(216, 64%, 52%)
HSV	hsv(216, 74%, 83%)
CMYK	cmyk(74.4%, 45%, 0%, 17.3%)
CIE-LAB	lab(49.47, 12.81, -54.71)
CIE-LCH	lch(49.47, 56.19, 283.18°)
OKLab	oklab(56.83% -0.0309 -0.1568)
OKLCH	oklch(56.83% 0.16 258.9)
XYZ	xyz(19.5203, 17.9760, 64.0563)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3674D3 #D39536

analogous

#36C2D3 #3674D3 #4736D3

triadic

#3674D3 #D33674 #74D336

tetradic

#3674D3 #D336C2 #D39536 #36D347

square

#3674D3 #D336C2 #D39536 #36D347

split-complementary

#3674D3 #D34736 #C2D336

monochromatic

#1A3E75 #2558A7 #3674D3 #6897DE #9AB9E9

Accessibility & contrast

On white

4.57

#3674D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3674D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3674D3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3674D3	#FFFFFF	#000000	##000000
##3674D3	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#437DD7

Deuteranopia (green-blind)

#216FD1

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3674d3;
/* rgb */ color: rgb(54, 116, 211);
/* oklch */ color: oklch(56.8% 0.160 258.9);

Tailwind

colors: {
  custom: {
    50: '#829be1',
    500: '#3674d3',
    950: '#000000',
  },
}

SCSS

$custom: #3674d3;
$custom-light: #829be1;
$custom-dark: #000000;

JSON

{
  "hex": "#3674d3",
  "rgb": {
    "r": 54,
    "g": 116,
    "b": 211
  },
  "hsl": {
    "h": 216.306,
    "s": 64.082,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56826,
    "c": 0.15981,
    "h": 258.9
  },
  "luminance": 0.17978
}

Semantic roles & 50–950 ramp

primary

#3674D3

secondary

#D5BA90

accent

#A541E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3674D3

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

Preview Lab → · Contrast checker → · Palette generator →