#3767B5#3767B5

#3767B5 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.0% C 0.134 H 259.6°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3767B5
RGB	rgb(55, 103, 181)
HSL	hsl(217, 53%, 46%)
HSV	hsv(217, 70%, 71%)
CMYK	cmyk(69.6%, 43.1%, 0%, 29%)
CIE-LAB	lab(44.01, 10.09, -46.17)
CIE-LCH	lch(44.01, 47.26, 282.33°)
OKLab	oklab(52.04% -0.0241 -0.1319)
OKLCH	oklch(52.04% 0.134 259.6)
XYZ	xyz(14.7633, 13.8474, 45.6019)
Luminance	0.1385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3767B5 #B58537

analogous

#37A6B5 #3767B5 #4637B5

triadic

#3767B5 #B53767 #67B537

tetradic

#3767B5 #B537A6 #B58537 #37B546

square

#3767B5 #B537A6 #B58537 #37B546

split-complementary

#3767B5 #B54637 #A6B537

monochromatic

#1A3257 #294C86 #3767B5 #5C87CD #8BAADC

Accessibility & contrast

On white

5.57

#3767B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3767B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3767B5

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3767B5	#FFFFFF	#000000	##FFFFFF
##3767B5	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426EB8

Deuteranopia (green-blind)

#2C63B3

Tritanopia (blue-blind)

#007985

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3767b5;
/* rgb */ color: rgb(55, 103, 181);
/* oklch */ color: oklch(52.0% 0.134 259.6);

Tailwind

colors: {
  custom: {
    50: '#7c91cc',
    500: '#3767b5',
    950: '#000000',
  },
}

SCSS

$custom: #3767b5;
$custom-light: #7c91cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3767b5",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 181
  },
  "hsl": {
    "h": 217.143,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52042,
    "c": 0.13407,
    "h": 259.6
  },
  "luminance": 0.13849
}

Semantic roles & 50–950 ramp

primary

#3767B5

secondary

#C6AC82

accent

#A54BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3767B5

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

Preview Lab → · Contrast checker → · Palette generator →