#375FC1#375FC1

#375FC1 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.160 H 264.6°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#375FC1
RGB	rgb(55, 95, 193)
HSL	hsl(223, 56%, 49%)
HSV	hsv(223, 72%, 76%)
CMYK	cmyk(71.5%, 50.8%, 0%, 24.3%)
CIE-LAB	lab(42.53, 19.65, -55.53)
CIE-LCH	lch(42.53, 58.91, 289.49°)
OKLab	oklab(51.15% -0.015 -0.1596)
OKLCH	oklch(51.15% 0.16 264.6)
XYZ	xyz(15.2900, 12.8453, 52.1153)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FC1 #C19937

analogous

#37A4C1 #375FC1 #5437C1

triadic

#375FC1 #C1375F #5FC137

tetradic

#375FC1 #C137A4 #C19937 #37C154

square

#375FC1 #C137A4 #C19937 #37C154

split-complementary

#375FC1 #C15437 #A4C137

monochromatic

#1C3062 #294891 #375FC1 #6383D2 #92A9E0

Accessibility & contrast

On white

5.88

#375FC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#375FC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FC1

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FC1	#FFFFFF	#000000	##FFFFFF
##375FC1	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)

#236BC5

Deuteranopia (green-blind)

#005EBF

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375fc1;
/* rgb */ color: rgb(55, 95, 193);
/* oklch */ color: oklch(51.1% 0.160 264.6);

Tailwind

colors: {
  custom: {
    50: '#7f8bd4',
    500: '#375fc1',
    950: '#000000',
  },
}

SCSS

$custom: #375fc1;
$custom-light: #7f8bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#375fc1",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 193
  },
  "hsl": {
    "h": 222.609,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.51148,
    "c": 0.16028,
    "h": 264.6
  },
  "luminance": 0.12847
}

Semantic roles & 50–950 ramp

primary

#375FC1

secondary

#CBB889

accent

#B349DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #375FC1

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

Preview Lab → · Contrast checker → · Palette generator →