#3C5FB9#3C5FB9

#3C5FB9 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.148 H 265.5°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#3C5FB9
RGB	rgb(60, 95, 185)
HSL	hsl(223, 51%, 48%)
HSV	hsv(223, 68%, 73%)
CMYK	cmyk(67.6%, 48.6%, 0%, 27.5%)
CIE-LAB	lab(42.23, 17.47, -51.35)
CIE-LCH	lch(42.23, 54.25, 288.79°)
OKLab	oklab(50.81% -0.0117 -0.1472)
OKLCH	oklch(50.81% 0.148 265.5)
XYZ	xyz(14.7096, 12.6464, 47.5553)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C5FB9 #B9963C

analogous

#3C9DB9 #3C5FB9 #573CB9

triadic

#3C5FB9 #B93C5F #5FB93C

tetradic

#3C5FB9 #B93C9D #B9963C #3CB957

square

#3C5FB9 #B93C9D #B9963C #3CB957

split-complementary

#3C5FB9 #B9573C #9DB93C

monochromatic

#1E305D #2D478B #3C5FB9 #6582CD #93A8DC

Accessibility & contrast

On white

5.95

#3C5FB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#3C5FB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C5FB9

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C5FB9	#FFFFFF	#000000	##FFFFFF
##3C5FB9	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F6ABC

Deuteranopia (green-blind)

#0E5EB7

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3c5fb9;
/* rgb */ color: rgb(60, 95, 185);
/* oklch */ color: oklch(50.8% 0.148 265.5);

Tailwind

colors: {
  custom: {
    50: '#808bcf',
    500: '#3c5fb9',
    950: '#000000',
  },
}

SCSS

$custom: #3c5fb9;
$custom-light: #808bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3c5fb9",
  "rgb": {
    "r": 60,
    "g": 95,
    "b": 185
  },
  "hsl": {
    "h": 223.2,
    "s": 51.02,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50809,
    "c": 0.14765,
    "h": 265.5
  },
  "luminance": 0.12648
}

Semantic roles & 50–950 ramp

primary

#3C5FB9

secondary

#C7B689

accent

#B34DDA

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3C5FB9

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

Preview Lab → · Contrast checker → · Palette generator →