#375AC7#375AC7

#375AC7 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.175 H 266.6°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#375AC7
RGB	rgb(55, 90, 199)
HSL	hsl(225, 57%, 50%)
HSV	hsv(225, 72%, 78%)
CMYK	cmyk(72.4%, 54.8%, 0%, 22%)
CIE-LAB	lab(41.61, 25.09, -60.51)
CIE-LCH	lch(41.61, 65.50, 292.52°)
OKLab	oklab(50.58% -0.0103 -0.1743)
OKLCH	oklch(50.58% 0.175 266.6)
XYZ	xyz(15.5369, 12.2464, 55.5667)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AC7 #C7A437

analogous

#37A2C7 #375AC7 #5C37C7

triadic

#375AC7 #C7375A #5AC737

tetradic

#375AC7 #C737A2 #C7A437 #37C75C

square

#375AC7 #C737A2 #C7A437 #37C75C

split-complementary

#375AC7 #C75C37 #A2C737

monochromatic

#1C2F67 #2A4497 #375AC7 #6681D5 #96A9E2

Accessibility & contrast

On white

6.09

#375AC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#375AC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AC7

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AC7	#FFFFFF	#000000	##FFFFFF
##375AC7	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CB

Deuteranopia (green-blind)

#005CC5

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375ac7;
/* rgb */ color: rgb(55, 90, 199);
/* oklch */ color: oklch(50.6% 0.175 266.6);

Tailwind

colors: {
  custom: {
    50: '#8188d9',
    500: '#375ac7',
    950: '#000000',
  },
}

SCSS

$custom: #375ac7;
$custom-light: #8188d9;
$custom-dark: #000000;

JSON

{
  "hex": "#375ac7",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 199
  },
  "hsl": {
    "h": 225.417,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.50582,
    "c": 0.1746,
    "h": 266.6
  },
  "luminance": 0.12248
}

Semantic roles & 50–950 ramp

primary

#375AC7

secondary

#CDBE8C

accent

#BB48E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375AC7

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

Preview Lab → · Contrast checker → · Palette generator →