#3764AB#3764AB

#3764AB is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.7% C 0.124 H 259.2°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3764AB
RGB	rgb(55, 100, 171)
HSL	hsl(217, 51%, 44%)
HSV	hsv(217, 68%, 67%)
CMYK	cmyk(67.8%, 41.5%, 0%, 32.9%)
CIE-LAB	lab(42.56, 8.34, -42.62)
CIE-LCH	lch(42.56, 43.43, 281.07°)
OKLab	oklab(50.73% -0.0232 -0.1215)
OKLCH	oklch(50.73% 0.124 259.2)
XYZ	xyz(13.4808, 12.8655, 40.2930)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764AB #AB7E37

analogous

#379EAB #3764AB #4437AB

triadic

#3764AB #AB3764 #64AB37

tetradic

#3764AB #AB379E #AB7E37 #37AB44

square

#3764AB #AB379E #AB7E37 #37AB44

split-complementary

#3764AB #AB4437 #9EAB37

monochromatic

#192E4E #28497D #3764AB #5683C9 #85A5D8

Accessibility & contrast

On white

5.88

#3764AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3764AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764AB

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764AB	#FFFFFF	#000000	##FFFFFF
##3764AB	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436AAE

Deuteranopia (green-blind)

#3160AA

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3764ab;
/* rgb */ color: rgb(55, 100, 171);
/* oklch */ color: oklch(50.7% 0.124 259.2);

Tailwind

colors: {
  custom: {
    50: '#7b8fc4',
    500: '#3764ab',
    950: '#000000',
  },
}

SCSS

$custom: #3764ab;
$custom-light: #7b8fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3764ab",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 171
  },
  "hsl": {
    "h": 216.724,
    "s": 51.327,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50727,
    "c": 0.12374,
    "h": 259.2
  },
  "luminance": 0.12867
}

Semantic roles & 50–950 ramp

primary

#3764AB

secondary

#C1A77C

accent

#A44DDB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3764AB

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

Preview Lab → · Contrast checker → · Palette generator →