#375B91#375B91

#375B91 is a mid, moderate blue. Relative luminance 0.103; OKLCH L 47.1% C 0.097 H 258.3°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#375B91
RGB	rgb(55, 91, 145)
HSL	hsl(216, 45%, 39%)
HSV	hsv(216, 62%, 57%)
CMYK	cmyk(62.1%, 37.2%, 0%, 43.1%)
CIE-LAB	lab(38.44, 4.68, -33.66)
CIE-LCH	lch(38.44, 33.99, 277.92°)
OKLab	oklab(47.06% -0.0198 -0.0954)
OKLCH	oklch(47.06% 0.097 258.3)
XYZ	xyz(10.4257, 10.3378, 28.2285)
Luminance	0.1034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375B91 #916D37

analogous

#378891 #375B91 #403791

triadic

#375B91 #91375B #5B9137

tetradic

#375B91 #913788 #916D37 #379140

square

#375B91 #913788 #916D37 #379140

split-complementary

#375B91 #914037 #889137

monochromatic

#152338 #263F65 #375B91 #4B77BB #7799CB

Accessibility & contrast

On white

6.85

#375B91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#375B91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375B91

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375B91	#FFFFFF	#000000	##FFFFFF
##375B91	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445F93

Deuteranopia (green-blind)

#385790

Tritanopia (blue-blind)

#00676F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #375b91;
/* rgb */ color: rgb(55, 91, 145);
/* oklch */ color: oklch(47.1% 0.097 258.3);

Tailwind

colors: {
  custom: {
    50: '#7689b1',
    500: '#375b91',
    950: '#000000',
  },
}

SCSS

$custom: #375b91;
$custom-light: #7689b1;
$custom-dark: #000000;

JSON

{
  "hex": "#375b91",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 145
  },
  "hsl": {
    "h": 216,
    "s": 45,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47055,
    "c": 0.09744,
    "h": 258.3
  },
  "luminance": 0.10339
}

Semantic roles & 50–950 ramp

primary

#375B91

secondary

#B49970

accent

#A153D5

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #375B91

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

Preview Lab → · Contrast checker → · Palette generator →