#3670C3#3670C3

#3670C3 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 54.9% C 0.143 H 257.7°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3670C3
RGB	rgb(54, 112, 195)
HSL	hsl(215, 57%, 49%)
HSV	hsv(215, 72%, 76%)
CMYK	cmyk(72.3%, 42.6%, 0%, 23.5%)
CIE-LAB	lab(47.38, 9.42, -48.90)
CIE-LCH	lch(47.38, 49.80, 280.90°)
OKLab	oklab(54.9% -0.0304 -0.1398)
OKLCH	oklch(54.9% 0.143 257.7)
XYZ	xyz(17.1622, 16.3109, 53.8630)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3670C3 #C38936

analogous

#36B7C3 #3670C3 #4236C3

triadic

#3670C3 #C33670 #70C336

tetradic

#3670C3 #C336B7 #C38936 #36C342

square

#3670C3 #C336B7 #C38936 #36C342

split-complementary

#3670C3 #C34236 #B7C336

monochromatic

#1B3963 #295493 #3670C3 #6391D4 #92B3E1

Accessibility & contrast

On white

4.93

#3670C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3670C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3670C3

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3670C3	#FFFFFF	#000000	##FFFFFF
##3670C3	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4877C6

Deuteranopia (green-blind)

#2F6AC1

Tritanopia (blue-blind)

#008390

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3670c3;
/* rgb */ color: rgb(54, 112, 195);
/* oklch */ color: oklch(54.9% 0.143 257.7);

Tailwind

colors: {
  custom: {
    50: '#7f98d6',
    500: '#3670c3',
    950: '#000000',
  },
}

SCSS

$custom: #3670c3;
$custom-light: #7f98d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3670c3",
  "rgb": {
    "r": 54,
    "g": 112,
    "b": 195
  },
  "hsl": {
    "h": 215.319,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54903,
    "c": 0.14306,
    "h": 257.7
  },
  "luminance": 0.16313
}

Semantic roles & 50–950 ramp

primary

#3670C3

secondary

#CCB089

accent

#A148E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3670C3

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

Preview Lab → · Contrast checker → · Palette generator →