#375B9C#375B9C

#375B9C is a mid, moderate blue. Relative luminance 0.107; OKLCH L 47.7% C 0.113 H 261.3°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#375B9C
RGB	rgb(55, 91, 156)
HSL	hsl(219, 48%, 41%)
HSV	hsv(219, 65%, 61%)
CMYK	cmyk(64.7%, 41.7%, 0%, 38.8%)
CIE-LAB	lab(39.06, 8.64, -39.30)
CIE-LCH	lch(39.06, 40.23, 282.40°)
OKLab	oklab(47.74% -0.0171 -0.1119)
OKLCH	oklch(47.74% 0.113 261.3)
XYZ	xyz(11.3153, 10.6936, 32.9138)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375B9C #9C7837

analogous

#378E9C #375B9C #46379C

triadic

#375B9C #9C375B #5B9C37

tetradic

#375B9C #9C378E #9C7837 #379C46

square

#375B9C #9C378E #9C7837 #379C46

split-complementary

#375B9C #9C4637 #8E9C37

monochromatic

#172642 #27416F #375B9C #4F78C1 #7C9BD1

Accessibility & contrast

On white

6.69

#375B9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#375B9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375B9C

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375B9C	#FFFFFF	#000000	##FFFFFF
##375B9C	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E619F

Deuteranopia (green-blind)

#2F589B

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #375b9c;
/* rgb */ color: rgb(55, 91, 156);
/* oklch */ color: oklch(47.7% 0.113 261.3);

Tailwind

colors: {
  custom: {
    50: '#7889b9',
    500: '#375b9c',
    950: '#000000',
  },
}

SCSS

$custom: #375b9c;
$custom-light: #7889b9;
$custom-dark: #000000;

JSON

{
  "hex": "#375b9c",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 156
  },
  "hsl": {
    "h": 218.614,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.47736,
    "c": 0.11321,
    "h": 261.3
  },
  "luminance": 0.10695
}

Semantic roles & 50–950 ramp

primary

#375B9C

secondary

#BAA175

accent

#A750D7

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #375B9C

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

Preview Lab → · Contrast checker → · Palette generator →