#375FD5#375FD5

#375FD5 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.7% C 0.187 H 265.9°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#375FD5
RGB	rgb(55, 95, 213)
HSL	hsl(225, 65%, 53%)
HSV	hsv(225, 74%, 84%)
CMYK	cmyk(74.2%, 55.4%, 0%, 16.5%)
CIE-LAB	lab(43.94, 27.01, -64.77)
CIE-LCH	lch(43.94, 70.17, 292.64°)
OKLab	oklab(52.67% -0.0133 -0.1867)
OKLCH	oklch(52.67% 0.187 265.9)
XYZ	xyz(17.6738, 13.7988, 64.6699)
Luminance	0.1380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FD5 #D5AD37

analogous

#37AED5 #375FD5 #5E37D5

triadic

#375FD5 #D5375F #5FD537

tetradic

#375FD5 #D537AE #D5AD37 #37D55E

square

#375FD5 #D537AE #D5AD37 #37D55E

split-complementary

#375FD5 #D55E37 #AED537

monochromatic

#193178 #2446AB #375FD5 #6A87E0 #9CB0EA

Accessibility & contrast

On white

5.58

#375FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#375FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FD5

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FD5	#FFFFFF	#000000	##FFFFFF
##375FD5	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD9

Deuteranopia (green-blind)

#0061D3

Tritanopia (blue-blind)

#007C91

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #375fd5;
/* rgb */ color: rgb(55, 95, 213);
/* oklch */ color: oklch(52.7% 0.187 265.9);

Tailwind

colors: {
  custom: {
    50: '#838be3',
    500: '#375fd5',
    950: '#000000',
  },
}

SCSS

$custom: #375fd5;
$custom-light: #838be3;
$custom-dark: #000000;

JSON

{
  "hex": "#375fd5",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 213
  },
  "hsl": {
    "h": 224.81,
    "s": 65.289,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52666,
    "c": 0.18721,
    "h": 265.9
  },
  "luminance": 0.13801
}

Semantic roles & 50–950 ramp

primary

#375FD5

secondary

#D6C592

accent

#BE40E8

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C15

muted

#7D7D84

Preview Lab

Preview with #375FD5

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

Preview Lab → · Contrast checker → · Palette generator →