#3670D7#3670D7

#3670D7 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.2% C 0.170 H 260.9°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#3670D7
RGB	rgb(54, 112, 215)
HSL	hsl(218, 67%, 53%)
HSV	hsv(218, 75%, 84%)
CMYK	cmyk(74.9%, 47.9%, 0%, 15.7%)
CIE-LAB	lab(48.61, 16.80, -58.36)
CIE-LCH	lch(48.61, 60.74, 286.06°)
OKLab	oklab(56.24% -0.0269 -0.1676)
OKLCH	oklch(56.24% 0.17 260.9)
XYZ	xyz(19.5768, 17.2767, 66.5798)
Luminance	0.1728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3670D7 #D79D36

analogous

#36C1D7 #3670D7 #4C36D7

triadic

#3670D7 #D73670 #70D736

tetradic

#3670D7 #D736C1 #D79D36 #36D74C

square

#3670D7 #D736C1 #D79D36 #36D74C

split-complementary

#3670D7 #D74C36 #C1D736

monochromatic

#183C7A #2254AD #3670D7 #6994E1 #9CB9EB

Accessibility & contrast

On white

4.71

#3670D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#3670D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3670D7

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3670D7	#FFFFFF	#000000	##FFFFFF
##3670D7	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#367BDB

Deuteranopia (green-blind)

#006DD5

Tritanopia (blue-blind)

#008999

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3670d7;
/* rgb */ color: rgb(54, 112, 215);
/* oklch */ color: oklch(56.2% 0.170 260.9);

Tailwind

colors: {
  custom: {
    50: '#8398e4',
    500: '#3670d7',
    950: '#000000',
  },
}

SCSS

$custom: #3670d7;
$custom-light: #8398e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3670d7",
  "rgb": {
    "r": 54,
    "g": 112,
    "b": 215
  },
  "hsl": {
    "h": 218.385,
    "s": 66.805,
    "l": 52.745
  },
  "oklch": {
    "l": 0.56244,
    "c": 0.16978,
    "h": 260.9
  },
  "luminance": 0.17279
}

Semantic roles & 50–950 ramp

primary

#3670D7

secondary

#D7BE92

accent

#AC3EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #3670D7

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

Preview Lab → · Contrast checker → · Palette generator →