#3671C7#3671C7

#3671C7 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.4% C 0.147 H 258.0°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3671C7
RGB	rgb(54, 113, 199)
HSL	hsl(216, 57%, 50%)
HSV	hsv(216, 73%, 78%)
CMYK	cmyk(72.9%, 43.2%, 0%, 22%)
CIE-LAB	lab(47.90, 10.26, -50.37)
CIE-LCH	lch(47.90, 51.40, 281.52°)
OKLab	oklab(55.38% -0.0305 -0.1441)
OKLCH	oklch(55.38% 0.147 258)
XYZ	xyz(17.7315, 16.7161, 56.3138)
Luminance	0.1672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3671C7 #C78C36

analogous

#36BAC7 #3671C7 #4336C7

triadic

#3671C7 #C73671 #71C736

tetradic

#3671C7 #C736BA #C78C36 #36C743

square

#3671C7 #C736BA #C78C36 #36C743

split-complementary

#3671C7 #C74336 #BAC736

monochromatic

#1C3A67 #295697 #3671C7 #6593D5 #95B5E2

Accessibility & contrast

On white

4.83

#3671C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3671C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3671C7

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3671C7	#FFFFFF	#000000	##FFFFFF
##3671C7	1.00	4.83	4.34	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4779CA

Deuteranopia (green-blind)

#2C6BC5

Tritanopia (blue-blind)

#008592

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3671c7;
/* rgb */ color: rgb(54, 113, 199);
/* oklch */ color: oklch(55.4% 0.147 258.0);

Tailwind

colors: {
  custom: {
    50: '#7f99d8',
    500: '#3671c7',
    950: '#000000',
  },
}

SCSS

$custom: #3671c7;
$custom-light: #7f99d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3671c7",
  "rgb": {
    "r": 54,
    "g": 113,
    "b": 199
  },
  "hsl": {
    "h": 215.586,
    "s": 57.312,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55383,
    "c": 0.14727,
    "h": 258
  },
  "luminance": 0.16718
}

Semantic roles & 50–950 ramp

primary

#3671C7

secondary

#CEB38B

accent

#A247E1

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3671C7

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

Preview Lab → · Contrast checker → · Palette generator →