#3F60BD#3F60BD

#3F60BD is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.5% C 0.151 H 266.4°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F60BD
RGB	rgb(63, 96, 189)
HSL	hsl(224, 50%, 49%)
HSV	hsv(224, 67%, 74%)
CMYK	cmyk(66.7%, 49.2%, 0%, 25.9%)
CIE-LAB	lab(42.91, 18.76, -52.58)
CIE-LCH	lch(42.91, 55.83, 289.64°)
OKLab	oklab(51.45% -0.0094 -0.1507)
OKLCH	oklch(51.45% 0.151 266.4)
XYZ	xyz(15.4149, 13.0952, 49.8495)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F60BD #BD9C3F

analogous

#3F9FBD #3F60BD #5D3FBD

triadic

#3F60BD #BD3F60 #60BD3F

tetradic

#3F60BD #BD3F9F #BD9C3F #3FBD5D

square

#3F60BD #BD3F9F #BD9C3F #3FBD5D

split-complementary

#3F60BD #BD5D3F #9FBD3F

monochromatic

#203161 #30498F #3F60BD #6B85CE #99ABDD

Accessibility & contrast

On white

5.80

#3F60BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3F60BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F60BD

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F60BD	#FFFFFF	#000000	##FFFFFF
##3F60BD	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6BC0

Deuteranopia (green-blind)

#0A60BB

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f60bd;
/* rgb */ color: rgb(63, 96, 189);
/* oklch */ color: oklch(51.5% 0.151 266.4);

Tailwind

colors: {
  custom: {
    50: '#828cd1',
    500: '#3f60bd',
    950: '#000000',
  },
}

SCSS

$custom: #3f60bd;
$custom-light: #828cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f60bd",
  "rgb": {
    "r": 63,
    "g": 96,
    "b": 189
  },
  "hsl": {
    "h": 224.286,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.51451,
    "c": 0.15102,
    "h": 266.4
  },
  "luminance": 0.13097
}

Semantic roles & 50–950 ramp

primary

#3F60BD

secondary

#C9BA8F

accent

#B54EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #3F60BD

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

Preview Lab → · Contrast checker → · Palette generator →