#375DB9#375DB9

#375DB9 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.1% C 0.152 H 264.6°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#375DB9
RGB	rgb(55, 93, 185)
HSL	hsl(222, 54%, 47%)
HSV	hsv(222, 70%, 73%)
CMYK	cmyk(70.3%, 49.7%, 0%, 27.5%)
CIE-LAB	lab(41.44, 17.99, -52.63)
CIE-LCH	lch(41.44, 55.62, 288.87°)
OKLab	oklab(50.15% -0.0142 -0.1511)
OKLCH	oklch(50.15% 0.152 264.6)
XYZ	xyz(14.2438, 12.1423, 47.4826)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DB9 #B99337

analogous

#379EB9 #375DB9 #5237B9

triadic

#375DB9 #B9375D #5DB937

tetradic

#375DB9 #B9379E #B99337 #37B952

square

#375DB9 #B9379E #B99337 #37B952

split-complementary

#375DB9 #B95237 #9EB937

monochromatic

#1B2E5B #29458A #375DB9 #5E7FCF #8DA5DD

Accessibility & contrast

On white

6.12

#375DB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#375DB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DB9

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DB9	#FFFFFF	#000000	##FFFFFF
##375DB9	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2868BC

Deuteranopia (green-blind)

#005CB7

Tritanopia (blue-blind)

#007382

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375db9;
/* rgb */ color: rgb(55, 93, 185);
/* oklch */ color: oklch(50.1% 0.152 264.6);

Tailwind

colors: {
  custom: {
    50: '#7e8acf',
    500: '#375db9',
    950: '#000000',
  },
}

SCSS

$custom: #375db9;
$custom-light: #7e8acf;
$custom-dark: #000000;

JSON

{
  "hex": "#375db9",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 185
  },
  "hsl": {
    "h": 222.462,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.50148,
    "c": 0.15173,
    "h": 264.6
  },
  "luminance": 0.12144
}

Semantic roles & 50–950 ramp

primary

#375DB9

secondary

#C8B484

accent

#B24ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #375DB9

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

Preview Lab → · Contrast checker → · Palette generator →