#3C75CC#3C75CC

#3C75CC is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.8% C 0.147 H 258.7°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3C75CC
RGB	rgb(60, 117, 204)
HSL	hsl(216, 59%, 52%)
HSV	hsv(216, 71%, 80%)
CMYK	cmyk(70.6%, 42.6%, 0%, 20%)
CIE-LAB	lab(49.55, 10.44, -50.58)
CIE-LCH	lch(49.55, 51.65, 281.67°)
OKLab	oklab(56.81% -0.0289 -0.1446)
OKLCH	oklch(56.81% 0.147 258.7)
XYZ	xyz(19.1199, 18.0408, 59.5896)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C75CC #CC933C

analogous

#3CBDCC #3C75CC #4B3CCC

triadic

#3C75CC #CC3C75 #75CC3C

tetradic

#3C75CC #CC3CBD #CC933C #3CCC4B

square

#3C75CC #CC3CBD #CC933C #3CCC4B

split-complementary

#3C75CC #CC4B3C #BDCC3C

monochromatic

#1D3E70 #2A59A1 #3C75CC #6D97D9 #9DBAE5

Accessibility & contrast

On white

4.56

#3C75CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3C75CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C75CC

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C75CC	#FFFFFF	#000000	##000000
##3C75CC	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B7DCF

Deuteranopia (green-blind)

#3270CA

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3c75cc;
/* rgb */ color: rgb(60, 117, 204);
/* oklch */ color: oklch(56.8% 0.147 258.7);

Tailwind

colors: {
  custom: {
    50: '#839cdc',
    500: '#3c75cc',
    950: '#000000',
  },
}

SCSS

$custom: #3c75cc;
$custom-light: #839cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c75cc",
  "rgb": {
    "r": 60,
    "g": 117,
    "b": 204
  },
  "hsl": {
    "h": 216.25,
    "s": 58.537,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56812,
    "c": 0.14742,
    "h": 258.7
  },
  "luminance": 0.18043
}

Semantic roles & 50–950 ramp

primary

#3C75CC

secondary

#D1B892

accent

#A446E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C75CC

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

Preview Lab → · Contrast checker → · Palette generator →