#3C75D1#3C75D1

#3C75D1 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.1% C 0.154 H 259.6°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3C75D1
RGB	rgb(60, 117, 209)
HSL	hsl(217, 62%, 53%)
HSV	hsv(217, 71%, 82%)
CMYK	cmyk(71.3%, 44%, 0%, 18%)
CIE-LAB	lab(49.84, 12.26, -52.96)
CIE-LCH	lch(49.84, 54.36, 283.03°)
OKLab	oklab(57.13% -0.0279 -0.1516)
OKLCH	oklch(57.13% 0.154 259.6)
XYZ	xyz(19.7292, 18.2846, 62.7987)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C75D1 #D1983C

analogous

#3CC0D1 #3C75D1 #4D3CD1

triadic

#3C75D1 #D13C75 #75D13C

tetradic

#3C75D1 #D13CC0 #D1983C #3CD14D

square

#3C75D1 #D13CC0 #D1983C #3CD14D

split-complementary

#3C75D1 #D14D3C #C0D13C

monochromatic

#1C3F77 #2859A8 #3C75D1 #6E98DD #9FBBE8

Accessibility & contrast

On white

4.51

#3C75D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3C75D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C75D1

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C75D1	#FFFFFF	#000000	##000000
##3C75D1	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477ED5

Deuteranopia (green-blind)

#2B70CF

Tritanopia (blue-blind)

#008A99

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3c75d1;
/* rgb */ color: rgb(60, 117, 209);
/* oklch */ color: oklch(57.1% 0.154 259.6);

Tailwind

colors: {
  custom: {
    50: '#839ce0',
    500: '#3c75d1',
    950: '#000000',
  },
}

SCSS

$custom: #3c75d1;
$custom-light: #839ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c75d1",
  "rgb": {
    "r": 60,
    "g": 117,
    "b": 209
  },
  "hsl": {
    "h": 217.047,
    "s": 61.826,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57134,
    "c": 0.15411,
    "h": 259.6
  },
  "luminance": 0.18287
}

Semantic roles & 50–950 ramp

primary

#3C75D1

secondary

#D5BC94

accent

#A743E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C75D1

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

Preview Lab → · Contrast checker → · Palette generator →