#375DB7#375DB7

#375DB7 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.0% C 0.149 H 264.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#375DB7
RGB	rgb(55, 93, 183)
HSL	hsl(222, 54%, 47%)
HSV	hsv(222, 70%, 72%)
CMYK	cmyk(69.9%, 49.2%, 0%, 28.2%)
CIE-LAB	lab(41.31, 17.25, -51.67)
CIE-LCH	lch(41.31, 54.48, 288.46°)
OKLab	oklab(50% -0.0145 -0.1482)
OKLCH	oklch(50% 0.149 264.4)
XYZ	xyz(14.0341, 12.0584, 46.3785)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DB7 #B79137

analogous

#379DB7 #375DB7 #5137B7

triadic

#375DB7 #B7375D #5DB737

tetradic

#375DB7 #B7379D #B79137 #37B751

square

#375DB7 #B7379D #B79137 #37B751

split-complementary

#375DB7 #B75137 #9DB737

monochromatic

#1B2D59 #294588 #375DB7 #5D7FCE #8CA4DC

Accessibility & contrast

On white

6.15

#375DB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#375DB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DB7

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DB7	#FFFFFF	#000000	##FFFFFF
##375DB7	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B68BA

Deuteranopia (green-blind)

#015CB5

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #375db7;
/* rgb */ color: rgb(55, 93, 183);
/* oklch */ color: oklch(50.0% 0.149 264.4);

Tailwind

colors: {
  custom: {
    50: '#7d8acd',
    500: '#375db7',
    950: '#000000',
  },
}

SCSS

$custom: #375db7;
$custom-light: #7d8acd;
$custom-dark: #000000;

JSON

{
  "hex": "#375db7",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 183
  },
  "hsl": {
    "h": 222.188,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.50004,
    "c": 0.14895,
    "h": 264.4
  },
  "luminance": 0.1206
}

Semantic roles & 50–950 ramp

primary

#375DB7

secondary

#C7B383

accent

#B24BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375DB7

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

Preview Lab → · Contrast checker → · Palette generator →