#375BC1#375BC1

#375BC1 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.165 H 266.0°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#375BC1
RGB	rgb(55, 91, 193)
HSL	hsl(224, 56%, 49%)
HSV	hsv(224, 72%, 76%)
CMYK	cmyk(71.5%, 52.8%, 0%, 24.3%)
CIE-LAB	lab(41.44, 22.24, -57.29)
CIE-LCH	lch(41.44, 61.45, 291.21°)
OKLab	oklab(50.32% -0.0116 -0.1648)
OKLCH	oklch(50.32% 0.165 266)
XYZ	xyz(14.9389, 12.1431, 51.9983)
Luminance	0.1215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375BC1 #C19D37

analogous

#37A0C1 #375BC1 #5837C1

triadic

#375BC1 #C1375B #5BC137

tetradic

#375BC1 #C137A0 #C19D37 #37C158

square

#375BC1 #C137A0 #C19D37 #37C158

split-complementary

#375BC1 #C15837 #A0C137

monochromatic

#1C2E62 #294591 #375BC1 #6380D2 #92A7E0

Accessibility & contrast

On white

6.12

#375BC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#375BC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375BC1

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375BC1	#FFFFFF	#000000	##FFFFFF
##375BC1	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1368C5

Deuteranopia (green-blind)

#005CBF

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375bc1;
/* rgb */ color: rgb(55, 91, 193);
/* oklch */ color: oklch(50.3% 0.165 266.0);

Tailwind

colors: {
  custom: {
    50: '#7f88d4',
    500: '#375bc1',
    950: '#000000',
  },
}

SCSS

$custom: #375bc1;
$custom-light: #7f88d4;
$custom-dark: #000000;

JSON

{
  "hex": "#375bc1",
  "rgb": {
    "r": 55,
    "g": 91,
    "b": 193
  },
  "hsl": {
    "h": 224.348,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50324,
    "c": 0.16522,
    "h": 266
  },
  "luminance": 0.12145
}

Semantic roles & 50–950 ramp

primary

#375BC1

secondary

#CBBA89

accent

#B849DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #375BC1

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

Preview Lab → · Contrast checker → · Palette generator →