#375FB7#375FB7

#375FB7 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.4% C 0.146 H 263.6°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#375FB7
RGB	rgb(55, 95, 183)
HSL	hsl(221, 54%, 47%)
HSV	hsv(221, 70%, 72%)
CMYK	cmyk(69.9%, 48.1%, 0%, 28.2%)
CIE-LAB	lab(41.87, 15.96, -50.77)
CIE-LCH	lch(41.87, 53.22, 287.45°)
OKLab	oklab(50.43% -0.0163 -0.1456)
OKLCH	oklch(50.43% 0.146 263.6)
XYZ	xyz(14.2120, 12.4141, 46.4377)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FB7 #B78F37

analogous

#379FB7 #375FB7 #4F37B7

triadic

#375FB7 #B7375F #5FB737

tetradic

#375FB7 #B7379F #B78F37 #37B74F

square

#375FB7 #B7379F #B78F37 #37B74F

split-complementary

#375FB7 #B74F37 #9FB737

monochromatic

#1B2E59 #294788 #375FB7 #5D80CE #8CA5DC

Accessibility & contrast

On white

6.03

#375FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#375FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FB7

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FB7	#FFFFFF	#000000	##FFFFFF
##375FB7	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3069BA

Deuteranopia (green-blind)

#0E5DB5

Tritanopia (blue-blind)

#007482

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #375fb7;
/* rgb */ color: rgb(55, 95, 183);
/* oklch */ color: oklch(50.4% 0.146 263.6);

Tailwind

colors: {
  custom: {
    50: '#7d8bcd',
    500: '#375fb7',
    950: '#000000',
  },
}

SCSS

$custom: #375fb7;
$custom-light: #7d8bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#375fb7",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 183
  },
  "hsl": {
    "h": 221.25,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.50431,
    "c": 0.14648,
    "h": 263.6
  },
  "luminance": 0.12416
}

Semantic roles & 50–950 ramp

primary

#375FB7

secondary

#C7B283

accent

#AF4BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #375FB7

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

Preview Lab → · Contrast checker → · Palette generator →