#375EC5#375EC5

#375EC5 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.167 H 265.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#375EC5
RGB	rgb(55, 94, 197)
HSL	hsl(224, 56%, 49%)
HSV	hsv(224, 72%, 77%)
CMYK	cmyk(72.1%, 52.3%, 0%, 22.7%)
CIE-LAB	lab(42.53, 21.77, -57.85)
CIE-LCH	lch(42.53, 61.81, 290.62°)
OKLab	oklab(51.24% -0.0137 -0.1664)
OKLCH	oklch(51.24% 0.167 265.3)
XYZ	xyz(15.6528, 12.8472, 54.4673)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375EC5 #C59E37

analogous

#37A5C5 #375EC5 #5737C5

triadic

#375EC5 #C5375E #5EC537

tetradic

#375EC5 #C537A5 #C59E37 #37C557

square

#375EC5 #C537A5 #C59E37 #37C557

split-complementary

#375EC5 #C55737 #A5C537

monochromatic

#1C3065 #2A4795 #375EC5 #6584D4 #95AAE1

Accessibility & contrast

On white

5.88

#375EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#375EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375EC5

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375EC5	#FFFFFF	#000000	##FFFFFF
##375EC5	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#186BC9

Deuteranopia (green-blind)

#005EC3

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375ec5;
/* rgb */ color: rgb(55, 94, 197);
/* oklch */ color: oklch(51.2% 0.167 265.3);

Tailwind

colors: {
  custom: {
    50: '#808bd7',
    500: '#375ec5',
    950: '#000000',
  },
}

SCSS

$custom: #375ec5;
$custom-light: #808bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#375ec5",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 197
  },
  "hsl": {
    "h": 223.521,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.51238,
    "c": 0.16697,
    "h": 265.3
  },
  "luminance": 0.12849
}

Semantic roles & 50–950 ramp

primary

#375EC5

secondary

#CDBB8B

accent

#B648E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #375EC5

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

Preview Lab → · Contrast checker → · Palette generator →