#3C5FB2#3C5FB2

#3C5FB2 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.3% C 0.138 H 264.7°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#3C5FB2
RGB	rgb(60, 95, 178)
HSL	hsl(222, 50%, 47%)
HSV	hsv(222, 66%, 70%)
CMYK	cmyk(66.3%, 46.6%, 0%, 30.2%)
CIE-LAB	lab(41.78, 14.94, -47.97)
CIE-LCH	lch(41.78, 50.24, 287.30°)
OKLab	oklab(50.33% -0.0127 -0.1372)
OKLCH	oklch(50.33% 0.138 264.7)
XYZ	xyz(13.9888, 12.3581, 43.7590)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C5FB2 #B28F3C

analogous

#3C9AB2 #3C5FB2 #543CB2

triadic

#3C5FB2 #B23C5F #5FB23C

tetradic

#3C5FB2 #B23C9A #B28F3C #3CB254

square

#3C5FB2 #B23C9A #B28F3C #3CB254

split-complementary

#3C5FB2 #B2543C #9AB23C

monochromatic

#1D2E56 #2D4784 #3C5FB2 #6180CA #8FA5D9

Accessibility & contrast

On white

6.05

#3C5FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#3C5FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C5FB2

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C5FB2	#FFFFFF	#000000	##FFFFFF
##3C5FB2	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3568B5

Deuteranopia (green-blind)

#1F5EB0

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3c5fb2;
/* rgb */ color: rgb(60, 95, 178);
/* oklch */ color: oklch(50.3% 0.138 264.7);

Tailwind

colors: {
  custom: {
    50: '#7e8bc9',
    500: '#3c5fb2',
    950: '#000000',
  },
}

SCSS

$custom: #3c5fb2;
$custom-light: #7e8bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3c5fb2",
  "rgb": {
    "r": 60,
    "g": 95,
    "b": 178
  },
  "hsl": {
    "h": 222.203,
    "s": 49.58,
    "l": 46.667
  },
  "oklch": {
    "l": 0.50325,
    "c": 0.13782,
    "h": 264.7
  },
  "luminance": 0.12359
}

Semantic roles & 50–950 ramp

primary

#3C5FB2

secondary

#C4B286

accent

#B04FD9

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3C5FB2

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

Preview Lab → · Contrast checker → · Palette generator →