#3670C7#3670C7

#3670C7 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.2% C 0.148 H 258.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3670C7
RGB	rgb(54, 112, 199)
HSL	hsl(216, 57%, 50%)
HSV	hsv(216, 73%, 78%)
CMYK	cmyk(72.9%, 43.7%, 0%, 22%)
CIE-LAB	lab(47.62, 10.89, -50.82)
CIE-LCH	lch(47.62, 51.97, 282.10°)
OKLab	oklab(55.16% -0.0296 -0.1454)
OKLCH	oklch(55.16% 0.148 258.5)
XYZ	xyz(17.6205, 16.4942, 56.2768)
Luminance	0.1650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3670C7 #C78D36

analogous

#36B9C7 #3670C7 #4536C7

triadic

#3670C7 #C73670 #70C736

tetradic

#3670C7 #C736B9 #C78D36 #36C745

square

#3670C7 #C736B9 #C78D36 #36C745

split-complementary

#3670C7 #C74536 #B9C736

monochromatic

#1C3A67 #295597 #3670C7 #6592D5 #95B4E2

Accessibility & contrast

On white

4.88

#3670C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3670C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3670C7

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3670C7	#FFFFFF	#000000	##FFFFFF
##3670C7	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4578CA

Deuteranopia (green-blind)

#2A6BC5

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3670c7;
/* rgb */ color: rgb(54, 112, 199);
/* oklch */ color: oklch(55.2% 0.148 258.5);

Tailwind

colors: {
  custom: {
    50: '#7f98d8',
    500: '#3670c7',
    950: '#000000',
  },
}

SCSS

$custom: #3670c7;
$custom-light: #7f98d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3670c7",
  "rgb": {
    "r": 54,
    "g": 112,
    "b": 199
  },
  "hsl": {
    "h": 216,
    "s": 57.312,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55163,
    "c": 0.14842,
    "h": 258.5
  },
  "luminance": 0.16496
}

Semantic roles & 50–950 ramp

primary

#3670C7

secondary

#CEB38B

accent

#A347E1

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3670C7

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

Preview Lab → · Contrast checker → · Palette generator →