#3C5BB7#3C5BB7

#3C5BB7 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.150 H 266.9°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#3C5BB7
RGB	rgb(60, 91, 183)
HSL	hsl(225, 51%, 48%)
HSV	hsv(225, 67%, 72%)
CMYK	cmyk(67.2%, 50.3%, 0%, 28.2%)
CIE-LAB	lab(40.99, 19.33, -52.17)
CIE-LCH	lch(40.99, 55.63, 290.33°)
OKLab	oklab(49.83% -0.0082 -0.1496)
OKLCH	oklch(49.83% 0.15 266.9)
XYZ	xyz(14.1489, 11.8604, 46.3342)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C5BB7 #B7983C

analogous

#3C98B7 #3C5BB7 #5A3CB7

triadic

#3C5BB7 #B73C5B #5BB73C

tetradic

#3C5BB7 #B73C98 #B7983C #3CB75A

square

#3C5BB7 #B73C98 #B7983C #3CB75A

split-complementary

#3C5BB7 #B75A3C #98B73C

monochromatic

#1E2D5B #2D4489 #3C5BB7 #647ECC #92A5DB

Accessibility & contrast

On white

6.23

#3C5BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#3C5BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C5BB7

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C5BB7	#FFFFFF	#000000	##FFFFFF
##3C5BB7	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2767BA

Deuteranopia (green-blind)

#005BB5

Tritanopia (blue-blind)

#007180

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3c5bb7;
/* rgb */ color: rgb(60, 91, 183);
/* oklch */ color: oklch(49.8% 0.150 266.9);

Tailwind

colors: {
  custom: {
    50: '#7f88cd',
    500: '#3c5bb7',
    950: '#000000',
  },
}

SCSS

$custom: #3c5bb7;
$custom-light: #7f88cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3c5bb7",
  "rgb": {
    "r": 60,
    "g": 91,
    "b": 183
  },
  "hsl": {
    "h": 224.878,
    "s": 50.617,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49829,
    "c": 0.14986,
    "h": 266.9
  },
  "luminance": 0.11862
}

Semantic roles & 50–950 ramp

primary

#3C5BB7

secondary

#C6B788

accent

#B74EDA

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3C5BB7

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

Preview Lab → · Contrast checker → · Palette generator →