#375EB8#375EB8

#375EB8 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.3% C 0.149 H 264.1°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#375EB8
RGB	rgb(55, 94, 184)
HSL	hsl(222, 54%, 47%)
HSV	hsv(222, 70%, 72%)
CMYK	cmyk(70.1%, 48.9%, 0%, 27.8%)
CIE-LAB	lab(41.65, 16.97, -51.70)
CIE-LCH	lch(41.65, 54.42, 288.17°)
OKLab	oklab(50.29% -0.0152 -0.1483)
OKLCH	oklch(50.29% 0.149 264.1)
XYZ	xyz(14.2269, 12.2769, 46.9580)
Luminance	0.1228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375EB8 #B89137

analogous

#379FB8 #375EB8 #5037B8

triadic

#375EB8 #B8375E #5EB837

tetradic

#375EB8 #B8379F #B89137 #37B850

square

#375EB8 #B8379F #B89137 #37B850

split-complementary

#375EB8 #B85037 #9FB837

monochromatic

#1B2E5A #294689 #375EB8 #5D80CF #8DA5DD

Accessibility & contrast

On white

6.08

#375EB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#375EB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375EB8

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375EB8	#FFFFFF	#000000	##FFFFFF
##375EB8	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C69BB

Deuteranopia (green-blind)

#045DB6

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375eb8;
/* rgb */ color: rgb(55, 94, 184);
/* oklch */ color: oklch(50.3% 0.149 264.1);

Tailwind

colors: {
  custom: {
    50: '#7d8bce',
    500: '#375eb8',
    950: '#000000',
  },
}

SCSS

$custom: #375eb8;
$custom-light: #7d8bce;
$custom-dark: #000000;

JSON

{
  "hex": "#375eb8",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 184
  },
  "hsl": {
    "h": 221.86,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.50288,
    "c": 0.1491,
    "h": 264.1
  },
  "luminance": 0.12278
}

Semantic roles & 50–950 ramp

primary

#375EB8

secondary

#C7B384

accent

#B14ADD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375EB8

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

Preview Lab → · Contrast checker → · Palette generator →