#375CA9#375CA9

#375CA9 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.8% C 0.131 H 263.1°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#375CA9
RGB	rgb(55, 92, 169)
HSL	hsl(221, 51%, 44%)
HSV	hsv(221, 67%, 66%)
CMYK	cmyk(67.5%, 45.6%, 0%, 33.7%)
CIE-LAB	lab(40.13, 12.74, -45.32)
CIE-LCH	lch(40.13, 47.08, 285.70°)
OKLab	oklab(48.81% -0.0156 -0.1296)
OKLCH	oklch(48.81% 0.131 263.1)
XYZ	xyz(12.5616, 11.3299, 39.0533)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CA9 #A98437

analogous

#3795A9 #375CA9 #4B37A9

triadic

#375CA9 #A9375C #5CA937

tetradic

#375CA9 #A93795 #A98437 #37A94B

square

#375CA9 #A93795 #A98437 #37A94B

split-complementary

#375CA9 #A94B37 #95A937

monochromatic

#192A4D #28437B #375CA9 #557BC8 #849FD7

Accessibility & contrast

On white

6.43

#375CA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#375CA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CA9

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CA9	#FFFFFF	#000000	##FFFFFF
##375CA9	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3664AC

Deuteranopia (green-blind)

#225AA7

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #375ca9;
/* rgb */ color: rgb(55, 92, 169);
/* oklch */ color: oklch(48.8% 0.131 263.1);

Tailwind

colors: {
  custom: {
    50: '#7a89c3',
    500: '#375ca9',
    950: '#000000',
  },
}

SCSS

$custom: #375ca9;
$custom-light: #7a89c3;
$custom-dark: #000000;

JSON

{
  "hex": "#375ca9",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 169
  },
  "hsl": {
    "h": 220.526,
    "s": 50.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.48814,
    "c": 0.13053,
    "h": 263.1
  },
  "luminance": 0.11331
}

Semantic roles & 50–950 ramp

primary

#375CA9

secondary

#C0AA7B

accent

#AD4DDA

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375CA9

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

Preview Lab → · Contrast checker → · Palette generator →