#3674CC#3674CC

#3674CC is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.4% C 0.151 H 257.7°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3674CC
RGB	rgb(54, 116, 204)
HSL	hsl(215, 60%, 51%)
HSV	hsv(215, 74%, 80%)
CMYK	cmyk(73.5%, 43.1%, 0%, 20%)
CIE-LAB	lab(49.05, 10.23, -51.39)
CIE-LCH	lch(49.05, 52.40, 281.26°)
OKLab	oklab(56.37% -0.0322 -0.147)
OKLCH	oklch(56.37% 0.151 257.7)
XYZ	xyz(18.6618, 17.6326, 59.5349)
Luminance	0.1764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3674CC #CC8E36

analogous

#36BFCC #3674CC #4336CC

triadic

#3674CC #CC3674 #74CC36

tetradic

#3674CC #CC36BF #CC8E36 #36CC43

square

#3674CC #CC36BF #CC8E36 #36CC43

split-complementary

#3674CC #CC4336 #BFCC36

monochromatic

#1B3D6C #28589D #3674CC #6796D8 #98B8E5

Accessibility & contrast

On white

4.64

#3674CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#3674CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3674CC

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3674CC	#FFFFFF	#000000	##FFFFFF
##3674CC	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497CCF

Deuteranopia (green-blind)

#2D6ECA

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3674cc;
/* rgb */ color: rgb(54, 116, 204);
/* oklch */ color: oklch(56.4% 0.151 257.7);

Tailwind

colors: {
  custom: {
    50: '#809bdc',
    500: '#3674cc',
    950: '#000000',
  },
}

SCSS

$custom: #3674cc;
$custom-light: #809bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3674cc",
  "rgb": {
    "r": 54,
    "g": 116,
    "b": 204
  },
  "hsl": {
    "h": 215.2,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56366,
    "c": 0.15053,
    "h": 257.7
  },
  "luminance": 0.17635
}

Semantic roles & 50–950 ramp

primary

#3674CC

secondary

#D0B58E

accent

#A245E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3674CC

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

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