#3C74CF#3C74CF

#3C74CF is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.8% C 0.153 H 259.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3C74CF
RGB	rgb(60, 116, 207)
HSL	hsl(217, 60%, 52%)
HSV	hsv(217, 71%, 81%)
CMYK	cmyk(71%, 44%, 0%, 18.8%)
CIE-LAB	lab(49.44, 12.15, -52.46)
CIE-LCH	lch(49.44, 53.85, 283.04°)
OKLab	oklab(56.79% -0.0274 -0.1501)
OKLCH	oklch(56.79% 0.153 259.7)
XYZ	xyz(19.3673, 17.9544, 61.4642)
Luminance	0.1796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C74CF #CF973C

analogous

#3CBDCF #3C74CF #4E3CCF

triadic

#3C74CF #CF3C74 #74CF3C

tetradic

#3C74CF #CF3CBD #CF973C #3CCF4E

square

#3C74CF #CF3CBD #CF973C #3CCF4E

split-complementary

#3C74CF #CF4E3C #BDCF3C

monochromatic

#1D3E74 #2958A5 #3C74CF #6D97DB #9EBAE7

Accessibility & contrast

On white

4.57

#3C74CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#3C74CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C74CF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C74CF	#FFFFFF	#000000	##000000
##3C74CF	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477DD2

Deuteranopia (green-blind)

#2B6FCD

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3c74cf;
/* rgb */ color: rgb(60, 116, 207);
/* oklch */ color: oklch(56.8% 0.153 259.7);

Tailwind

colors: {
  custom: {
    50: '#839bde',
    500: '#3c74cf',
    950: '#000000',
  },
}

SCSS

$custom: #3c74cf;
$custom-light: #839bde;
$custom-dark: #000000;

JSON

{
  "hex": "#3c74cf",
  "rgb": {
    "r": 60,
    "g": 116,
    "b": 207
  },
  "hsl": {
    "h": 217.143,
    "s": 60.494,
    "l": 52.353
  },
  "oklch": {
    "l": 0.56788,
    "c": 0.15259,
    "h": 259.7
  },
  "luminance": 0.17956
}

Semantic roles & 50–950 ramp

primary

#3C74CF

secondary

#D3BB93

accent

#A744E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3C74CF

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

Preview Lab → · Contrast checker → · Palette generator →