#375A9F#375A9F

#375A9F is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.7% C 0.119 H 262.5°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#375A9F
RGB	rgb(55, 90, 159)
HSL	hsl(220, 49%, 42%)
HSV	hsv(220, 65%, 62%)
CMYK	cmyk(65.4%, 43.4%, 0%, 37.6%)
CIE-LAB	lab(38.94, 10.38, -41.27)
CIE-LCH	lch(38.94, 42.56, 284.12°)
OKLab	oklab(47.7% -0.0155 -0.1177)
OKLCH	oklch(47.7% 0.119 262.5)
XYZ	xyz(11.4875, 10.6267, 34.2399)
Luminance	0.1063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375A9F #9F7C37

analogous

#378E9F #375A9F #48379F

triadic

#375A9F #9F375A #5A9F37

tetradic

#375A9F #9F378E #9F7C37 #379F48

square

#375A9F #9F378E #9F7C37 #379F48

split-complementary

#375A9F #9F4837 #8E9F37

monochromatic

#182744 #274072 #375A9F #5177C3 #7E9AD2

Accessibility & contrast

On white

6.72

#375A9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#375A9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375A9F

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375A9F	#FFFFFF	#000000	##FFFFFF
##375A9F	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)

#3A61A2

Deuteranopia (green-blind)

#2A579E

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #375a9f;
/* rgb */ color: rgb(55, 90, 159);
/* oklch */ color: oklch(47.7% 0.119 262.5);

Tailwind

colors: {
  custom: {
    50: '#7988bc',
    500: '#375a9f',
    950: '#000000',
  },
}

SCSS

$custom: #375a9f;
$custom-light: #7988bc;
$custom-dark: #000000;

JSON

{
  "hex": "#375a9f",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 159
  },
  "hsl": {
    "h": 219.808,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47704,
    "c": 0.11873,
    "h": 262.5
  },
  "luminance": 0.10628
}

Semantic roles & 50–950 ramp

primary

#375A9F

secondary

#BCA476

accent

#AA50D8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #375A9F

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

Preview Lab → · Contrast checker → · Palette generator →