#375DC7#375DC7

#375DC7 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.171 H 265.7°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#375DC7
RGB	rgb(55, 93, 199)
HSL	hsl(224, 57%, 50%)
HSV	hsv(224, 72%, 78%)
CMYK	cmyk(72.4%, 53.3%, 0%, 22%)
CIE-LAB	lab(42.40, 23.15, -59.21)
CIE-LCH	lch(42.40, 63.58, 291.36°)
OKLab	oklab(51.19% -0.0127 -0.1704)
OKLCH	oklch(51.19% 0.171 265.7)
XYZ	xyz(15.7951, 12.7628, 55.6528)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375DC7 #C7A137

analogous

#37A5C7 #375DC7 #5937C7

triadic

#375DC7 #C7375D #5DC737

tetradic

#375DC7 #C737A5 #C7A137 #37C759

square

#375DC7 #C737A5 #C7A137 #37C759

split-complementary

#375DC7 #C75937 #A5C737

monochromatic

#1C3067 #2A4797 #375DC7 #6684D5 #96AAE2

Accessibility & contrast

On white

5.91

#375DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#375DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375DC7

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375DC7	#FFFFFF	#000000	##FFFFFF
##375DC7	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)

#0D6BCB

Deuteranopia (green-blind)

#005EC5

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375dc7;
/* rgb */ color: rgb(55, 93, 199);
/* oklch */ color: oklch(51.2% 0.171 265.7);

Tailwind

colors: {
  custom: {
    50: '#808ad9',
    500: '#375dc7',
    950: '#000000',
  },
}

SCSS

$custom: #375dc7;
$custom-light: #808ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#375dc7",
  "rgb": {
    "r": 55,
    "g": 93,
    "b": 199
  },
  "hsl": {
    "h": 224.167,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51185,
    "c": 0.17092,
    "h": 265.7
  },
  "luminance": 0.12764
}

Semantic roles & 50–950 ramp

primary

#375DC7

secondary

#CDBC8C

accent

#B848E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375DC7

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

Preview Lab → · Contrast checker → · Palette generator →