#3C71CB#3C71CB

#3C71CB is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.9% C 0.151 H 260.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3C71CB
RGB	rgb(60, 113, 203)
HSL	hsl(218, 58%, 52%)
HSV	hsv(218, 70%, 80%)
CMYK	cmyk(70.4%, 44.3%, 0%, 20.4%)
CIE-LAB	lab(48.36, 12.58, -51.91)
CIE-LCH	lch(48.36, 53.41, 283.62°)
OKLab	oklab(55.88% -0.0254 -0.1485)
OKLCH	oklch(55.88% 0.151 260.3)
XYZ	xyz(18.5442, 17.0808, 58.8079)
Luminance	0.1708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C71CB #CB963C

analogous

#3CB9CB #3C71CB #4F3CCB

triadic

#3C71CB #CB3C71 #71CB3C

tetradic

#3C71CB #CB3CB9 #CB963C #3CCB4F

square

#3C71CB #CB3CB9 #CB963C #3CCB4F

split-complementary

#3C71CB #CB4F3C #B9CB3C

monochromatic

#1E3C6F #2A569F #3C71CB #6C94D8 #9DB7E5

Accessibility & contrast

On white

4.75

#3C71CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3C71CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C71CB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C71CB	#FFFFFF	#000000	##FFFFFF
##3C71CB	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#447ACE

Deuteranopia (green-blind)

#296DC9

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3c71cb;
/* rgb */ color: rgb(60, 113, 203);
/* oklch */ color: oklch(55.9% 0.151 260.3);

Tailwind

colors: {
  custom: {
    50: '#8299db',
    500: '#3c71cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c71cb;
$custom-light: #8299db;
$custom-dark: #000000;

JSON

{
  "hex": "#3c71cb",
  "rgb": {
    "r": 60,
    "g": 113,
    "b": 203
  },
  "hsl": {
    "h": 217.762,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55878,
    "c": 0.15068,
    "h": 260.3
  },
  "luminance": 0.17083
}

Semantic roles & 50–950 ramp

primary

#3C71CB

secondary

#D1BA92

accent

#A847E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3C71CB

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

Preview Lab → · Contrast checker → · Palette generator →