#375FDA#375FDA

#375FDA is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.1% C 0.194 H 266.2°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#375FDA
RGB	rgb(55, 95, 218)
HSL	hsl(225, 69%, 54%)
HSV	hsv(225, 75%, 85%)
CMYK	cmyk(74.8%, 56.4%, 0%, 14.5%)
CIE-LAB	lab(44.31, 28.84, -67.02)
CIE-LCH	lch(44.31, 72.96, 293.28°)
OKLab	oklab(53.06% -0.013 -0.1934)
OKLCH	oklch(53.06% 0.194 266.2)
XYZ	xyz(18.3182, 14.0566, 68.0638)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FDA #DAB237

analogous

#37B0DA #375FDA #6037DA

triadic

#375FDA #DA375F #5FDA37

tetradic

#375FDA #DA37B0 #DAB237 #37DA60

square

#375FDA #DA37B0 #DAB237 #37DA60

split-complementary

#375FDA #DA6037 #B0DA37

monochromatic

#18317F #2145B3 #375FDA #6B88E4 #9EB2ED

Accessibility & contrast

On white

5.51

#375FDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#375FDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FDA

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FDA	#FFFFFF	#000000	##FFFFFF
##375FDA	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DE

Deuteranopia (green-blind)

#0062D8

Tritanopia (blue-blind)

#007E93

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #375fda;
/* rgb */ color: rgb(55, 95, 218);
/* oklch */ color: oklch(53.1% 0.194 266.2);

Tailwind

colors: {
  custom: {
    50: '#848be6',
    500: '#375fda',
    950: '#000000',
  },
}

SCSS

$custom: #375fda;
$custom-light: #848be6;
$custom-dark: #000000;

JSON

{
  "hex": "#375fda",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 218
  },
  "hsl": {
    "h": 225.276,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.53062,
    "c": 0.1938,
    "h": 266.2
  },
  "luminance": 0.14059
}

Semantic roles & 50–950 ramp

primary

#375FDA

secondary

#D9C893

accent

#C13CEC

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #375FDA

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

Preview Lab → · Contrast checker → · Palette generator →