#3671C4#3671C4

#3671C4 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.2% C 0.143 H 257.5°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3671C4
RGB	rgb(54, 113, 196)
HSL	hsl(215, 57%, 49%)
HSV	hsv(215, 72%, 77%)
CMYK	cmyk(72.4%, 42.3%, 0%, 23.1%)
CIE-LAB	lab(47.72, 9.16, -48.93)
CIE-LCH	lch(47.72, 49.78, 280.60°)
OKLab	oklab(55.19% -0.0311 -0.1398)
OKLCH	oklch(55.19% 0.143 257.5)
XYZ	xyz(17.3866, 16.5781, 54.4974)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3671C4 #C48936

analogous

#36B8C4 #3671C4 #4236C4

triadic

#3671C4 #C43671 #71C436

tetradic

#3671C4 #C436B8 #C48936 #36C442

square

#3671C4 #C436B8 #C48936 #36C442

split-complementary

#3671C4 #C44236 #B8C436

monochromatic

#1C3A64 #295594 #3671C4 #6392D4 #93B4E1

Accessibility & contrast

On white

4.87

#3671C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3671C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3671C4

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3671C4	#FFFFFF	#000000	##FFFFFF
##3671C4	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4978C7

Deuteranopia (green-blind)

#306BC2

Tritanopia (blue-blind)

#008491

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3671c4;
/* rgb */ color: rgb(54, 113, 196);
/* oklch */ color: oklch(55.2% 0.143 257.5);

Tailwind

colors: {
  custom: {
    50: '#7f99d6',
    500: '#3671c4',
    950: '#000000',
  },
}

SCSS

$custom: #3671c4;
$custom-light: #7f99d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3671c4",
  "rgb": {
    "r": 54,
    "g": 113,
    "b": 196
  },
  "hsl": {
    "h": 215.07,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55189,
    "c": 0.14327,
    "h": 257.5
  },
  "luminance": 0.1658
}

Semantic roles & 50–950 ramp

primary

#3671C4

secondary

#CCB189

accent

#A148E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3671C4

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

Preview Lab → · Contrast checker → · Palette generator →