#375A9A#375A9A

#375A9A is a mid, moderate blue. Relative luminance 0.105; OKLCH L 47.4% C 0.112 H 261.5°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#375A9A
RGB	rgb(55, 90, 154)
HSL	hsl(219, 47%, 41%)
HSV	hsv(219, 64%, 60%)
CMYK	cmyk(64.3%, 41.6%, 0%, 39.6%)
CIE-LAB	lab(38.65, 8.56, -38.75)
CIE-LCH	lch(38.65, 39.68, 282.46°)
OKLab	oklab(47.38% -0.0165 -0.1103)
OKLCH	oklch(47.38% 0.112 261.5)
XYZ	xyz(11.0624, 10.4566, 32.0009)
Luminance	0.1046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375A9A #9A7737

analogous

#378B9A #375A9A #45379A

triadic

#375A9A #9A375A #5A9A37

tetradic

#375A9A #9A378B #9A7737 #379A45

square

#375A9A #9A378B #9A7737 #379A45

split-complementary

#375A9A #9A4537 #8B9A37

monochromatic

#172540 #27406D #375A9A #4E76C0 #7B99D0

Accessibility & contrast

On white

6.79

#375A9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#375A9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375A9A

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375A9A	#FFFFFF	#000000	##FFFFFF
##375A9A	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D609D

Deuteranopia (green-blind)

#2F5799

Tritanopia (blue-blind)

#006972

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #375a9a;
/* rgb */ color: rgb(55, 90, 154);
/* oklch */ color: oklch(47.4% 0.112 261.5);

Tailwind

colors: {
  custom: {
    50: '#7888b8',
    500: '#375a9a',
    950: '#000000',
  },
}

SCSS

$custom: #375a9a;
$custom-light: #7888b8;
$custom-dark: #000000;

JSON

{
  "hex": "#375a9a",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 154
  },
  "hsl": {
    "h": 218.788,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47381,
    "c": 0.11154,
    "h": 261.5
  },
  "luminance": 0.10458
}

Semantic roles & 50–950 ramp

primary

#375A9A

secondary

#B9A174

accent

#A851D7

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #375A9A

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

Preview Lab → · Contrast checker → · Palette generator →