#375DB8#375DB8

#375DB8 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.1% C 0.150 H 264.5°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#375DB8
RGB	rgb(55, 93, 184)
HSL	hsl(222, 54%, 47%)
HSV	hsv(222, 70%, 72%)
CMYK	cmyk(70.1%, 49.5%, 0%, 27.8%)
CIE-LAB	lab(41.37, 17.62, -52.15)
CIE-LCH	lch(41.37, 55.05, 288.67°)
OKLab	oklab(50.08% -0.0143 -0.1497)
OKLCH	oklch(50.08% 0.15 264.5)
XYZ	xyz(14.1386, 12.1002, 46.9286)
Luminance	0.1210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DB8 #B89237

analogous

#379EB8 #375DB8 #5237B8

triadic

#375DB8 #B8375D #5DB837

tetradic

#375DB8 #B8379E #B89237 #37B852

square

#375DB8 #B8379E #B89237 #37B852

split-complementary

#375DB8 #B85237 #9EB837

monochromatic

#1B2D5A #294589 #375DB8 #5D7FCF #8DA4DD

Accessibility & contrast

On white

6.14

#375DB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#375DB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DB8

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DB8	#FFFFFF	#000000	##FFFFFF
##375DB8	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A68BB

Deuteranopia (green-blind)

#005CB6

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375db8;
/* rgb */ color: rgb(55, 93, 184);
/* oklch */ color: oklch(50.1% 0.150 264.5);

Tailwind

colors: {
  custom: {
    50: '#7d8ace',
    500: '#375db8',
    950: '#000000',
  },
}

SCSS

$custom: #375db8;
$custom-light: #7d8ace;
$custom-dark: #000000;

JSON

{
  "hex": "#375db8",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 184
  },
  "hsl": {
    "h": 222.326,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.50076,
    "c": 0.15034,
    "h": 264.5
  },
  "luminance": 0.12102
}

Semantic roles & 50–950 ramp

primary

#375DB8

secondary

#C7B384

accent

#B24ADD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375DB8

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

Preview Lab → · Contrast checker → · Palette generator →