#3C74CC#3C74CC

#3C74CC is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.6% C 0.149 H 259.2°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3C74CC
RGB	rgb(60, 116, 204)
HSL	hsl(217, 59%, 52%)
HSV	hsv(217, 71%, 80%)
CMYK	cmyk(70.6%, 43.1%, 0%, 20%)
CIE-LAB	lab(49.26, 11.06, -51.03)
CIE-LCH	lch(49.26, 52.22, 282.23°)
OKLab	oklab(56.59% -0.0279 -0.1459)
OKLCH	oklch(56.59% 0.149 259.2)
XYZ	xyz(19.0040, 17.8091, 59.5510)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C74CC #CC943C

analogous

#3CBCCC #3C74CC #4C3CCC

triadic

#3C74CC #CC3C74 #74CC3C

tetradic

#3C74CC #CC3CBC #CC943C #3CCC4C

square

#3C74CC #CC3CBC #CC943C #3CCC4C

split-complementary

#3C74CC #CC4C3C #BCCC3C

monochromatic

#1D3E70 #2A58A1 #3C74CC #6D97D9 #9DB9E5

Accessibility & contrast

On white

4.60

#3C74CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3C74CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3C74CC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C74CC	#FFFFFF	#000000	##FFFFFF
##3C74CC	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)

#497CCF

Deuteranopia (green-blind)

#306FCA

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3c74cc;
/* rgb */ color: rgb(60, 116, 204);
/* oklch */ color: oklch(56.6% 0.149 259.2);

Tailwind

colors: {
  custom: {
    50: '#839bdc',
    500: '#3c74cc',
    950: '#000000',
  },
}

SCSS

$custom: #3c74cc;
$custom-light: #839bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c74cc",
  "rgb": {
    "r": 60,
    "g": 116,
    "b": 204
  },
  "hsl": {
    "h": 216.667,
    "s": 58.537,
    "l": 51.765
  },
  "oklch": {
    "l": 0.56594,
    "c": 0.14856,
    "h": 259.2
  },
  "luminance": 0.17811
}

Semantic roles & 50–950 ramp

primary

#3C74CC

secondary

#D1B992

accent

#A546E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C74CC

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

Preview Lab → · Contrast checker → · Palette generator →