#3764AD#3764AD

#3764AD is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.9% C 0.127 H 259.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3764AD
RGB	rgb(55, 100, 173)
HSL	hsl(217, 52%, 45%)
HSV	hsv(217, 68%, 68%)
CMYK	cmyk(68.2%, 42.2%, 0%, 32.2%)
CIE-LAB	lab(42.68, 9.07, -43.61)
CIE-LCH	lch(42.68, 44.55, 281.75°)
OKLab	oklab(50.86% -0.0228 -0.1244)
OKLCH	oklch(50.86% 0.127 259.6)
XYZ	xyz(13.6728, 12.9423, 41.3046)
Luminance	0.1294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764AD #AD8037

analogous

#379FAD #3764AD #4537AD

triadic

#3764AD #AD3764 #64AD37

tetradic

#3764AD #AD379F #AD8037 #37AD45

square

#3764AD #AD379F #AD8037 #37AD45

split-complementary

#3764AD #AD4537 #9FAD37

monochromatic

#192E50 #28497F #3764AD #5783CA #86A5D8

Accessibility & contrast

On white

5.85

#3764AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3764AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764AD

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764AD	#FFFFFF	#000000	##FFFFFF
##3764AD	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426BB0

Deuteranopia (green-blind)

#2F60AC

Tritanopia (blue-blind)

#007580

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3764ad;
/* rgb */ color: rgb(55, 100, 173);
/* oklch */ color: oklch(50.9% 0.127 259.6);

Tailwind

colors: {
  custom: {
    50: '#7b8fc6',
    500: '#3764ad',
    950: '#000000',
  },
}

SCSS

$custom: #3764ad;
$custom-light: #7b8fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3764ad",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 173
  },
  "hsl": {
    "h": 217.119,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50855,
    "c": 0.12652,
    "h": 259.6
  },
  "luminance": 0.12944
}

Semantic roles & 50–950 ramp

primary

#3764AD

secondary

#C2A87D

accent

#A54DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3764AD

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

Preview Lab → · Contrast checker → · Palette generator →