#3767B9#3767B9

#3767B9 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.3% C 0.140 H 260.4°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#3767B9
RGB	rgb(55, 103, 185)
HSL	hsl(218, 54%, 47%)
HSV	hsv(218, 70%, 73%)
CMYK	cmyk(70.3%, 44.3%, 0%, 27.5%)
CIE-LAB	lab(44.25, 11.56, -48.11)
CIE-LCH	lch(44.25, 49.48, 283.52°)
OKLab	oklab(52.3% -0.0233 -0.1376)
OKLCH	oklch(52.3% 0.14 260.4)
XYZ	xyz(15.1796, 14.0139, 47.7945)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3767B9 #B98937

analogous

#37A8B9 #3767B9 #4837B9

triadic

#3767B9 #B93767 #67B937

tetradic

#3767B9 #B937A8 #B98937 #37B948

square

#3767B9 #B937A8 #B98937 #37B948

split-complementary

#3767B9 #B94837 #A8B937

monochromatic

#1B325B #294D8A #3767B9 #5E88CF #8DABDD

Accessibility & contrast

On white

5.52

#3767B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3767B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3767B9

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3767B9	#FFFFFF	#000000	##FFFFFF
##3767B9	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6FBC

Deuteranopia (green-blind)

#2763B7

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3767b9;
/* rgb */ color: rgb(55, 103, 185);
/* oklch */ color: oklch(52.3% 0.140 260.4);

Tailwind

colors: {
  custom: {
    50: '#7d91ce',
    500: '#3767b9',
    950: '#000000',
  },
}

SCSS

$custom: #3767b9;
$custom-light: #7d91ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3767b9",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 185
  },
  "hsl": {
    "h": 217.846,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52304,
    "c": 0.13957,
    "h": 260.4
  },
  "luminance": 0.14016
}

Semantic roles & 50–950 ramp

primary

#3767B9

secondary

#C8AF84

accent

#A74ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3767B9

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

Preview Lab → · Contrast checker → · Palette generator →