#375BBC#375BBC

#375BBC is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.9% C 0.158 H 265.6°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#375BBC
RGB	rgb(55, 91, 188)
HSL	hsl(224, 55%, 48%)
HSV	hsv(224, 71%, 74%)
CMYK	cmyk(70.7%, 51.6%, 0%, 26.3%)
CIE-LAB	lab(41.09, 20.39, -54.94)
CIE-LCH	lch(41.09, 58.60, 290.36°)
OKLab	oklab(49.95% -0.0121 -0.1579)
OKLCH	oklch(49.95% 0.158 265.6)
XYZ	xyz(14.3906, 11.9238, 49.1103)
Luminance	0.1192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BBC #BC9837

analogous

#379EBC #375BBC #5537BC

triadic

#375BBC #BC375B #5BBC37

tetradic

#375BBC #BC379E #BC9837 #37BC55

square

#375BBC #BC379E #BC9837 #37BC55

split-complementary

#375BBC #BC5537 #9EBC37

monochromatic

#1B2D5D #29448D #375BBC #607ED0 #8FA5DE

Accessibility & contrast

On white

6.20

#375BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#375BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BBC

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BBC	#FFFFFF	#000000	##FFFFFF
##375BBC	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E67BF

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #375bbc;
/* rgb */ color: rgb(55, 91, 188);
/* oklch */ color: oklch(49.9% 0.158 265.6);

Tailwind

colors: {
  custom: {
    50: '#7e88d1',
    500: '#375bbc',
    950: '#000000',
  },
}

SCSS

$custom: #375bbc;
$custom-light: #7e88d1;
$custom-dark: #000000;

JSON

{
  "hex": "#375bbc",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 188
  },
  "hsl": {
    "h": 223.759,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49949,
    "c": 0.15836,
    "h": 265.6
  },
  "luminance": 0.11925
}

Semantic roles & 50–950 ramp

primary

#375BBC

secondary

#C9B786

accent

#B64ADE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375BBC

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

Preview Lab → · Contrast checker → · Palette generator →