#3C75C7#3C75C7

#3C75C7 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.5% C 0.141 H 257.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3C75C7
RGB	rgb(60, 117, 199)
HSL	hsl(215, 55%, 51%)
HSV	hsv(215, 70%, 78%)
CMYK	cmyk(69.8%, 41.2%, 0%, 22%)
CIE-LAB	lab(49.26, 8.64, -48.18)
CIE-LCH	lch(49.26, 48.95, 280.16°)
OKLab	oklab(56.5% -0.0299 -0.1375)
OKLCH	oklch(56.5% 0.141 257.7)
XYZ	xyz(18.5298, 17.8048, 56.4819)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C75C7 #C78E3C

analogous

#3CBAC7 #3C75C7 #493CC7

triadic

#3C75C7 #C73C75 #75C73C

tetradic

#3C75C7 #C73CBA #C78E3C #3CC749

square

#3C75C7 #C73CBA #C78E3C #3CC749

split-complementary

#3C75C7 #C7493C #BAC73C

monochromatic

#1E3D6A #2C599A #3C75C7 #6C97D5 #9BB8E2

Accessibility & contrast

On white

4.60

#3C75C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3C75C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3C75C7

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C75C7	#FFFFFF	#000000	##FFFFFF
##3C75C7	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7CCA

Deuteranopia (green-blind)

#386FC5

Tritanopia (blue-blind)

#008894

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3c75c7;
/* rgb */ color: rgb(60, 117, 199);
/* oklch */ color: oklch(56.5% 0.141 257.7);

Tailwind

colors: {
  custom: {
    50: '#829cd8',
    500: '#3c75c7',
    950: '#000000',
  },
}

SCSS

$custom: #3c75c7;
$custom-light: #829cd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3c75c7",
  "rgb": {
    "r": 60,
    "g": 117,
    "b": 199
  },
  "hsl": {
    "h": 215.396,
    "s": 55.378,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56496,
    "c": 0.14073,
    "h": 257.7
  },
  "luminance": 0.17807
}

Semantic roles & 50–950 ramp

primary

#3C75C7

secondary

#CEB591

accent

#A149DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3C75C7

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

Preview Lab → · Contrast checker → · Palette generator →