#3670C6#3670C6

#3670C6 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.1% C 0.147 H 258.3°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3670C6
RGB	rgb(54, 112, 198)
HSL	hsl(216, 57%, 49%)
HSV	hsv(216, 73%, 78%)
CMYK	cmyk(72.7%, 43.4%, 0%, 22.4%)
CIE-LAB	lab(47.56, 10.52, -50.34)
CIE-LCH	lch(47.56, 51.43, 281.81°)
OKLab	oklab(55.1% -0.0298 -0.144)
OKLCH	oklch(55.1% 0.147 258.3)
XYZ	xyz(17.5048, 16.4479, 55.6673)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3670C6 #C68C36

analogous

#36B8C6 #3670C6 #4436C6

triadic

#3670C6 #C63670 #70C636

tetradic

#3670C6 #C636B8 #C68C36 #36C644

square

#3670C6 #C636B8 #C68C36 #36C644

split-complementary

#3670C6 #C64436 #B8C636

monochromatic

#1C3A66 #295596 #3670C6 #6492D5 #94B4E2

Accessibility & contrast

On white

4.90

#3670C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3670C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3670C6

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3670C6	#FFFFFF	#000000	##FFFFFF
##3670C6	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4678C9

Deuteranopia (green-blind)

#2B6BC4

Tritanopia (blue-blind)

#008491

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3670c6;
/* rgb */ color: rgb(54, 112, 198);
/* oklch */ color: oklch(55.1% 0.147 258.3);

Tailwind

colors: {
  custom: {
    50: '#7f98d8',
    500: '#3670c6',
    950: '#000000',
  },
}

SCSS

$custom: #3670c6;
$custom-light: #7f98d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3670c6",
  "rgb": {
    "r": 54,
    "g": 112,
    "b": 198
  },
  "hsl": {
    "h": 215.833,
    "s": 57.143,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55098,
    "c": 0.14708,
    "h": 258.3
  },
  "luminance": 0.1645
}

Semantic roles & 50–950 ramp

primary

#3670C6

secondary

#CDB28B

accent

#A347E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3670C6

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

Preview Lab → · Contrast checker → · Palette generator →