#3F60BC#3F60BC

#3F60BC is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.4% C 0.150 H 266.4°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F60BC
RGB	rgb(63, 96, 188)
HSL	hsl(224, 50%, 49%)
HSV	hsv(224, 66%, 74%)
CMYK	cmyk(66.5%, 48.9%, 0%, 26.3%)
CIE-LAB	lab(42.84, 18.40, -52.11)
CIE-LCH	lch(42.84, 55.26, 289.45°)
OKLab	oklab(51.38% -0.0095 -0.1493)
OKLCH	oklch(51.38% 0.15 266.4)
XYZ	xyz(15.3067, 13.0519, 49.2798)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F60BC #BC9B3F

analogous

#3F9FBC #3F60BC #5D3FBC

triadic

#3F60BC #BC3F60 #60BC3F

tetradic

#3F60BC #BC3F9F #BC9B3F #3FBC5D

square

#3F60BC #BC3F9F #BC9B3F #3FBC5D

split-complementary

#3F60BC #BC5D3F #9FBC3F

monochromatic

#203160 #30498E #3F60BC #6B85CD #99ABDD

Accessibility & contrast

On white

5.82

#3F60BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3F60BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F60BC

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F60BC	#FFFFFF	#000000	##FFFFFF
##3F60BC	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6BBF

Deuteranopia (green-blind)

#0E60BA

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f60bc;
/* rgb */ color: rgb(63, 96, 188);
/* oklch */ color: oklch(51.4% 0.150 266.4);

Tailwind

colors: {
  custom: {
    50: '#818cd1',
    500: '#3f60bc',
    950: '#000000',
  },
}

SCSS

$custom: #3f60bc;
$custom-light: #818cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f60bc",
  "rgb": {
    "r": 63,
    "g": 96,
    "b": 188
  },
  "hsl": {
    "h": 224.16,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.51381,
    "c": 0.14962,
    "h": 266.4
  },
  "luminance": 0.13053
}

Semantic roles & 50–950 ramp

primary

#3F60BC

secondary

#C9B98E

accent

#B54ED9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3F60BC

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

Preview Lab → · Contrast checker → · Palette generator →