#3755A7#3755A7

#3755A7 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.2% C 0.136 H 266.2°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#3755A7
RGB	rgb(55, 85, 167)
HSL	hsl(224, 50%, 44%)
HSV	hsv(224, 67%, 65%)
CMYK	cmyk(67.1%, 49.1%, 0%, 34.5%)
CIE-LAB	lab(38.02, 16.57, -47.53)
CIE-LCH	lch(38.02, 50.33, 289.22°)
OKLab	oklab(47.16% -0.0091 -0.1362)
OKLCH	oklch(47.16% 0.136 266.2)
XYZ	xyz(11.7967, 10.0981, 37.8792)
Luminance	0.1010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3755A7 #A78937

analogous

#378DA7 #3755A7 #5137A7

triadic

#3755A7 #A73755 #55A737

tetradic

#3755A7 #A7378D #A78937 #37A751

square

#3755A7 #A7378D #A78937 #37A751

split-complementary

#3755A7 #A75137 #8DA737

monochromatic

#19264B #283E79 #3755A7 #5473C7 #8299D6

Accessibility & contrast

On white

6.95

#3755A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3755A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3755A7

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3755A7	#FFFFFF	#000000	##FFFFFF
##3755A7	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295FAA

Deuteranopia (green-blind)

#0D55A5

Tritanopia (blue-blind)

#006876

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3755a7;
/* rgb */ color: rgb(55, 85, 167);
/* oklch */ color: oklch(47.2% 0.136 266.2);

Tailwind

colors: {
  custom: {
    50: '#7a84c2',
    500: '#3755a7',
    950: '#000000',
  },
}

SCSS

$custom: #3755a7;
$custom-light: #7a84c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3755a7",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 167
  },
  "hsl": {
    "h": 223.929,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.47156,
    "c": 0.13648,
    "h": 266.2
  },
  "luminance": 0.10099
}

Semantic roles & 50–950 ramp

primary

#3755A7

secondary

#C0AD7A

accent

#B44EDA

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3755A7

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

Preview Lab → · Contrast checker → · Palette generator →