#375B9A#375B9A

#375B9A is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.6% C 0.110 H 260.8°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#375B9A
RGB	rgb(55, 91, 154)
HSL	hsl(218, 47%, 41%)
HSV	hsv(218, 64%, 60%)
CMYK	cmyk(64.3%, 40.9%, 0%, 39.6%)
CIE-LAB	lab(38.94, 7.92, -38.28)
CIE-LCH	lch(38.94, 39.09, 281.68°)
OKLab	oklab(47.61% -0.0176 -0.1089)
OKLCH	oklch(47.61% 0.11 260.8)
XYZ	xyz(11.1473, 10.6265, 32.0292)
Luminance	0.1063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375B9A #9A7637

analogous

#378C9A #375B9A #44379A

triadic

#375B9A #9A375B #5B9A37

tetradic

#375B9A #9A378C #9A7637 #379A44

square

#375B9A #9A378C #9A7637 #379A44

split-complementary

#375B9A #9A4437 #8C9A37

monochromatic

#172640 #27406D #375B9A #4E78C0 #7B9AD0

Accessibility & contrast

On white

6.72

#375B9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#375B9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375B9A

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375B9A	#FFFFFF	#000000	##FFFFFF
##375B9A	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F619C

Deuteranopia (green-blind)

#315799

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #375b9a;
/* rgb */ color: rgb(55, 91, 154);
/* oklch */ color: oklch(47.6% 0.110 260.8);

Tailwind

colors: {
  custom: {
    50: '#7889b8',
    500: '#375b9a',
    950: '#000000',
  },
}

SCSS

$custom: #375b9a;
$custom-light: #7889b8;
$custom-dark: #000000;

JSON

{
  "hex": "#375b9a",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 154
  },
  "hsl": {
    "h": 218.182,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47609,
    "c": 0.11034,
    "h": 260.8
  },
  "luminance": 0.10627
}

Semantic roles & 50–950 ramp

primary

#375B9A

secondary

#B9A074

accent

#A651D7

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #375B9A

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

Preview Lab → · Contrast checker → · Palette generator →