#375AC5#375AC5

#375AC5 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.4% C 0.172 H 266.5°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#375AC5
RGB	rgb(55, 90, 197)
HSL	hsl(225, 56%, 49%)
HSV	hsv(225, 72%, 77%)
CMYK	cmyk(72.1%, 54.3%, 0%, 22.7%)
CIE-LAB	lab(41.46, 24.35, -59.58)
CIE-LCH	lch(41.46, 64.37, 292.23°)
OKLab	oklab(50.43% -0.0105 -0.1716)
OKLCH	oklch(50.43% 0.172 266.5)
XYZ	xyz(15.3062, 12.1542, 54.3518)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375AC5 #C5A237

analogous

#37A1C5 #375AC5 #5B37C5

triadic

#375AC5 #C5375A #5AC537

tetradic

#375AC5 #C537A1 #C5A237 #37C55B

square

#375AC5 #C537A1 #C5A237 #37C55B

split-complementary

#375AC5 #C55B37 #A1C537

monochromatic

#1C2E65 #2A4495 #375AC5 #6580D4 #95A8E1

Accessibility & contrast

On white

6.12

#375AC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#375AC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375AC5

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375AC5	#FFFFFF	#000000	##FFFFFF
##375AC5	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)

#0069C9

Deuteranopia (green-blind)

#005CC3

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #375ac5;
/* rgb */ color: rgb(55, 90, 197);
/* oklch */ color: oklch(50.4% 0.172 266.5);

Tailwind

colors: {
  custom: {
    50: '#8088d7',
    500: '#375ac5',
    950: '#000000',
  },
}

SCSS

$custom: #375ac5;
$custom-light: #8088d7;
$custom-dark: #000000;

JSON

{
  "hex": "#375ac5",
  "rgb": {
    "r": 55,
    "g": 90,
    "b": 197
  },
  "hsl": {
    "h": 225.211,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.50427,
    "c": 0.1719,
    "h": 266.5
  },
  "luminance": 0.12156
}

Semantic roles & 50–950 ramp

primary

#375AC5

secondary

#CDBD8B

accent

#BA48E0

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #375AC5

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

Preview Lab → · Contrast checker → · Palette generator →