#375CC7#375CC7

#375CC7 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.172 H 266.0°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#375CC7
RGB	rgb(55, 92, 199)
HSL	hsl(225, 57%, 50%)
HSV	hsv(225, 72%, 78%)
CMYK	cmyk(72.4%, 53.8%, 0%, 22%)
CIE-LAB	lab(42.14, 23.80, -59.65)
CIE-LCH	lch(42.14, 64.22, 291.75°)
OKLab	oklab(50.98% -0.0119 -0.1717)
OKLCH	oklch(50.98% 0.172 266)
XYZ	xyz(15.7079, 12.5884, 55.6237)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375CC7 #C7A237

analogous

#37A4C7 #375CC7 #5A37C7

triadic

#375CC7 #C7375C #5CC737

tetradic

#375CC7 #C737A4 #C7A237 #37C75A

square

#375CC7 #C737A4 #C7A237 #37C75A

split-complementary

#375CC7 #C75A37 #A4C737

monochromatic

#1C3067 #2A4697 #375CC7 #6683D5 #96AAE2

Accessibility & contrast

On white

5.97

#375CC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#375CC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375CC7

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375CC7	#FFFFFF	#000000	##FFFFFF
##375CC7	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#056ACB

Deuteranopia (green-blind)

#005DC5

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #375cc7;
/* rgb */ color: rgb(55, 92, 199);
/* oklch */ color: oklch(51.0% 0.172 266.0);

Tailwind

colors: {
  custom: {
    50: '#8189d9',
    500: '#375cc7',
    950: '#000000',
  },
}

SCSS

$custom: #375cc7;
$custom-light: #8189d9;
$custom-dark: #000000;

JSON

{
  "hex": "#375cc7",
  "rgb": {
    "r": 55,
    "g": 92,
    "b": 199
  },
  "hsl": {
    "h": 224.583,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.50983,
    "c": 0.17214,
    "h": 266
  },
  "luminance": 0.1259
}

Semantic roles & 50–950 ramp

primary

#375CC7

secondary

#CDBD8C

accent

#B948E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375CC7

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

Preview Lab → · Contrast checker → · Palette generator →