#375DB4#375DB4

#375DB4 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.145 H 264.1°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#375DB4
RGB	rgb(55, 93, 180)
HSL	hsl(222, 53%, 46%)
HSV	hsv(222, 69%, 71%)
CMYK	cmyk(69.4%, 48.3%, 0%, 29.4%)
CIE-LAB	lab(41.11, 16.15, -50.23)
CIE-LCH	lch(41.11, 52.76, 287.82°)
OKLab	oklab(49.79% -0.0149 -0.144)
OKLCH	oklch(49.79% 0.145 264.1)
XYZ	xyz(13.7252, 11.9348, 44.7515)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DB4 #B48E37

analogous

#379BB4 #375DB4 #4F37B4

triadic

#375DB4 #B4375D #5DB437

tetradic

#375DB4 #B4379B #B48E37 #37B44F

square

#375DB4 #B4379B #B48E37 #37B44F

split-complementary

#375DB4 #B44F37 #9BB437

monochromatic

#1A2D56 #294585 #375DB4 #5B7ECD #8AA3DB

Accessibility & contrast

On white

6.20

#375DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#375DB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DB4

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DB4	#FFFFFF	#000000	##FFFFFF
##375DB4	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)

#2E67B7

Deuteranopia (green-blind)

#0D5CB2

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #375db4;
/* rgb */ color: rgb(55, 93, 180);
/* oklch */ color: oklch(49.8% 0.145 264.1);

Tailwind

colors: {
  custom: {
    50: '#7d8acb',
    500: '#375db4',
    950: '#000000',
  },
}

SCSS

$custom: #375db4;
$custom-light: #7d8acb;
$custom-dark: #000000;

JSON

{
  "hex": "#375db4",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 180
  },
  "hsl": {
    "h": 221.76,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.49791,
    "c": 0.14478,
    "h": 264.1
  },
  "luminance": 0.11936
}

Semantic roles & 50–950 ramp

primary

#375DB4

secondary

#C6B181

accent

#B04BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #375DB4

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

Preview Lab → · Contrast checker → · Palette generator →