#375EC3#375EC3

#375EC3 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.164 H 265.1°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#375EC3
RGB	rgb(55, 94, 195)
HSL	hsl(223, 56%, 49%)
HSV	hsv(223, 72%, 76%)
CMYK	cmyk(71.8%, 51.8%, 0%, 23.5%)
CIE-LAB	lab(42.39, 21.03, -56.91)
CIE-LCH	lch(42.39, 60.68, 290.28°)
OKLab	oklab(51.09% -0.0139 -0.1636)
OKLCH	oklch(51.09% 0.164 265.1)
XYZ	xyz(15.4251, 12.7561, 53.2684)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375EC3 #C39C37

analogous

#37A4C3 #375EC3 #5637C3

triadic

#375EC3 #C3375E #5EC337

tetradic

#375EC3 #C337A4 #C39C37 #37C356

square

#375EC3 #C337A4 #C39C37 #37C356

split-complementary

#375EC3 #C35637 #A4C337

monochromatic

#1C3064 #2A4793 #375EC3 #6483D3 #94A9E1

Accessibility & contrast

On white

5.91

#375EC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#375EC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375EC3

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375EC3	#FFFFFF	#000000	##FFFFFF
##375EC3	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C6BC7

Deuteranopia (green-blind)

#005EC1

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375ec3;
/* rgb */ color: rgb(55, 94, 195);
/* oklch */ color: oklch(51.1% 0.164 265.1);

Tailwind

colors: {
  custom: {
    50: '#808bd6',
    500: '#375ec3',
    950: '#000000',
  },
}

SCSS

$custom: #375ec3;
$custom-light: #808bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#375ec3",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 195
  },
  "hsl": {
    "h": 223.286,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.51089,
    "c": 0.16424,
    "h": 265.1
  },
  "luminance": 0.12758
}

Semantic roles & 50–950 ramp

primary

#375EC3

secondary

#CCBA8A

accent

#B549DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #375EC3

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

Preview Lab → · Contrast checker → · Palette generator →