#3C5FBB#3C5FBB

#3C5FBB is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.150 H 265.7°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3C5FBB
RGB	rgb(60, 95, 187)
HSL	hsl(223, 51%, 48%)
HSV	hsv(223, 68%, 73%)
CMYK	cmyk(67.9%, 49.2%, 0%, 26.7%)
CIE-LAB	lab(42.36, 18.20, -52.31)
CIE-LCH	lch(42.36, 55.39, 289.18°)
OKLab	oklab(50.95% -0.0114 -0.15)
OKLCH	oklch(50.95% 0.15 265.7)
XYZ	xyz(14.9222, 12.7315, 48.6751)
Luminance	0.1273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C5FBB #BB983C

analogous

#3C9EBB #3C5FBB #593CBB

triadic

#3C5FBB #BB3C5F #5FBB3C

tetradic

#3C5FBB #BB3C9E #BB983C #3CBB59

square

#3C5FBB #BB3C9E #BB983C #3CBB59

split-complementary

#3C5FBB #BB593C #9EBB3C

monochromatic

#1E305E #2D478D #3C5FBB #6683CE #95A8DD

Accessibility & contrast

On white

5.92

#3C5FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#3C5FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C5FBB

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C5FBB	#FFFFFF	#000000	##FFFFFF
##3C5FBB	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C6ABE

Deuteranopia (green-blind)

#065EB9

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3c5fbb;
/* rgb */ color: rgb(60, 95, 187);
/* oklch */ color: oklch(51.0% 0.150 265.7);

Tailwind

colors: {
  custom: {
    50: '#808bd0',
    500: '#3c5fbb',
    950: '#000000',
  },
}

SCSS

$custom: #3c5fbb;
$custom-light: #808bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c5fbb",
  "rgb": {
    "r": 60,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 223.465,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50951,
    "c": 0.15043,
    "h": 265.7
  },
  "luminance": 0.12733
}

Semantic roles & 50–950 ramp

primary

#3C5FBB

secondary

#C8B78B

accent

#B44DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3C5FBB

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

Preview Lab → · Contrast checker → · Palette generator →