#3670C8#3670C8

#3670C8 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.2% C 0.150 H 258.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3670C8
RGB	rgb(54, 112, 200)
HSL	hsl(216, 57%, 50%)
HSV	hsv(216, 73%, 78%)
CMYK	cmyk(73%, 44%, 0%, 21.6%)
CIE-LAB	lab(47.68, 11.26, -51.30)
CIE-LCH	lch(47.68, 52.52, 282.38°)
OKLab	oklab(55.23% -0.0294 -0.1468)
OKLCH	oklch(55.23% 0.15 258.7)
XYZ	xyz(17.7370, 16.5408, 56.8903)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3670C8 #C88E36

analogous

#36B9C8 #3670C8 #4536C8

triadic

#3670C8 #C83670 #70C836

tetradic

#3670C8 #C836B9 #C88E36 #36C845

square

#3670C8 #C836B9 #C88E36 #36C845

split-complementary

#3670C8 #C84536 #B9C836

monochromatic

#1C3A68 #295598 #3670C8 #6692D6 #96B4E3

Accessibility & contrast

On white

4.87

#3670C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3670C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3670C8

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3670C8	#FFFFFF	#000000	##FFFFFF
##3670C8	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4478CB

Deuteranopia (green-blind)

#286BC6

Tritanopia (blue-blind)

#008592

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3670c8;
/* rgb */ color: rgb(54, 112, 200);
/* oklch */ color: oklch(55.2% 0.150 258.7);

Tailwind

colors: {
  custom: {
    50: '#8098d9',
    500: '#3670c8',
    950: '#000000',
  },
}

SCSS

$custom: #3670c8;
$custom-light: #8098d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3670c8",
  "rgb": {
    "r": 54,
    "g": 112,
    "b": 200
  },
  "hsl": {
    "h": 216.164,
    "s": 57.48,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55229,
    "c": 0.14976,
    "h": 258.7
  },
  "luminance": 0.16543
}

Semantic roles & 50–950 ramp

primary

#3670C8

secondary

#CEB48C

accent

#A447E1

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #3670C8

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

Preview Lab → · Contrast checker → · Palette generator →