#3671C8#3671C8

#3671C8 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.4% C 0.149 H 258.2°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3671C8
RGB	rgb(54, 113, 200)
HSL	hsl(216, 57%, 50%)
HSV	hsv(216, 73%, 78%)
CMYK	cmyk(73%, 43.5%, 0%, 21.6%)
CIE-LAB	lab(47.96, 10.63, -50.84)
CIE-LCH	lch(47.96, 51.95, 281.81°)
OKLab	oklab(55.45% -0.0303 -0.1455)
OKLCH	oklch(55.45% 0.149 258.2)
XYZ	xyz(17.8480, 16.7627, 56.9273)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3671C8 #C88D36

analogous

#36BAC8 #3671C8 #4436C8

triadic

#3671C8 #C83671 #71C836

tetradic

#3671C8 #C836BA #C88D36 #36C844

square

#3671C8 #C836BA #C88D36 #36C844

split-complementary

#3671C8 #C84436 #BAC836

monochromatic

#1C3B68 #295698 #3671C8 #6693D6 #96B5E3

Accessibility & contrast

On white

4.82

#3671C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3671C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3671C8

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3671C8	#FFFFFF	#000000	##FFFFFF
##3671C8	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4679CB

Deuteranopia (green-blind)

#2B6CC6

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3671c8;
/* rgb */ color: rgb(54, 113, 200);
/* oklch */ color: oklch(55.4% 0.149 258.2);

Tailwind

colors: {
  custom: {
    50: '#8099d9',
    500: '#3671c8',
    950: '#000000',
  },
}

SCSS

$custom: #3671c8;
$custom-light: #8099d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3671c8",
  "rgb": {
    "r": 54,
    "g": 113,
    "b": 200
  },
  "hsl": {
    "h": 215.753,
    "s": 57.48,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55448,
    "c": 0.14861,
    "h": 258.2
  },
  "luminance": 0.16765
}

Semantic roles & 50–950 ramp

primary

#3671C8

secondary

#CEB38C

accent

#A347E1

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #3671C8

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

Preview Lab → · Contrast checker → · Palette generator →