#3761AC#3761AC

#3761AC is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.1% C 0.129 H 261.0°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#3761AC
RGB	rgb(55, 97, 172)
HSL	hsl(218, 52%, 45%)
HSV	hsv(218, 68%, 67%)
CMYK	cmyk(68%, 43.6%, 0%, 32.5%)
CIE-LAB	lab(41.75, 10.62, -44.51)
CIE-LCH	lch(41.75, 45.76, 283.42°)
OKLab	oklab(50.12% -0.02 -0.1271)
OKLCH	oklch(50.12% 0.129 261)
XYZ	xyz(13.2940, 12.3388, 40.7028)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3761AC #AC8237

analogous

#379BAC #3761AC #4837AC

triadic

#3761AC #AC3761 #61AC37

tetradic

#3761AC #AC379B #AC8237 #37AC48

square

#3761AC #AC379B #AC8237 #37AC48

split-complementary

#3761AC #AC4837 #9BAC37

monochromatic

#192D4F #28477E #3761AC #5780C9 #85A3D8

Accessibility & contrast

On white

6.06

#3761AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#3761AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3761AC

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3761AC	#FFFFFF	#000000	##FFFFFF
##3761AC	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D68AF

Deuteranopia (green-blind)

#2A5DAA

Tritanopia (blue-blind)

#00727E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3761ac;
/* rgb */ color: rgb(55, 97, 172);
/* oklch */ color: oklch(50.1% 0.129 261.0);

Tailwind

colors: {
  custom: {
    50: '#7b8dc5',
    500: '#3761ac',
    950: '#000000',
  },
}

SCSS

$custom: #3761ac;
$custom-light: #7b8dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3761ac",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 172
  },
  "hsl": {
    "h": 218.462,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5012,
    "c": 0.12868,
    "h": 261
  },
  "luminance": 0.1234
}

Semantic roles & 50–950 ramp

primary

#3761AC

secondary

#C2A97D

accent

#A84DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3761AC

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

Preview Lab → · Contrast checker → · Palette generator →