#375FD4#375FD4

#375FD4 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.6% C 0.186 H 265.9°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#375FD4
RGB	rgb(55, 95, 212)
HSL	hsl(225, 65%, 52%)
HSV	hsv(225, 74%, 83%)
CMYK	cmyk(74.1%, 55.2%, 0%, 16.9%)
CIE-LAB	lab(43.87, 26.64, -64.31)
CIE-LCH	lch(43.87, 69.61, 292.50°)
OKLab	oklab(52.59% -0.0133 -0.1854)
OKLCH	oklch(52.59% 0.186 265.9)
XYZ	xyz(17.5472, 13.7482, 64.0035)
Luminance	0.1375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FD4 #D4AC37

analogous

#37AED4 #375FD4 #5D37D4

triadic

#375FD4 #D4375F #5FD437

tetradic

#375FD4 #D437AE #D4AC37 #37D45D

square

#375FD4 #D437AE #D4AC37 #37D45D

split-complementary

#375FD4 #D45D37 #AED437

monochromatic

#1A3177 #2446A9 #375FD4 #6987DF #9CB0EA

Accessibility & contrast

On white

5.60

#375FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#375FD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FD4

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FD4	#FFFFFF	#000000	##FFFFFF
##375FD4	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD8

Deuteranopia (green-blind)

#0061D2

Tritanopia (blue-blind)

#007C90

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #375fd4;
/* rgb */ color: rgb(55, 95, 212);
/* oklch */ color: oklch(52.6% 0.186 265.9);

Tailwind

colors: {
  custom: {
    50: '#838be2',
    500: '#375fd4',
    950: '#000000',
  },
}

SCSS

$custom: #375fd4;
$custom-light: #838be2;
$custom-dark: #000000;

JSON

{
  "hex": "#375fd4",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 212
  },
  "hsl": {
    "h": 224.713,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.52588,
    "c": 0.18589,
    "h": 265.9
  },
  "luminance": 0.1375
}

Semantic roles & 50–950 ramp

primary

#375FD4

secondary

#D6C491

accent

#BD40E8

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #375FD4

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

Preview Lab → · Contrast checker → · Palette generator →