#3F76BD#3F76BD

#3F76BD is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.2% C 0.125 H 255.7°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F76BD
RGB	rgb(63, 118, 189)
HSL	hsl(214, 50%, 49%)
HSV	hsv(214, 67%, 74%)
CMYK	cmyk(66.7%, 37.6%, 0%, 25.9%)
CIE-LAB	lab(49.11, 4.92, -42.67)
CIE-LCH	lch(49.11, 42.95, 276.58°)
OKLab	oklab(56.24% -0.0309 -0.1213)
OKLCH	oklch(56.24% 0.125 255.7)
XYZ	xyz(17.7103, 17.6860, 50.6146)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F76BD #BD863F

analogous

#3FB5BD #3F76BD #473FBD

triadic

#3F76BD #BD3F76 #76BD3F

tetradic

#3F76BD #BD3FB5 #BD863F #3FBD47

square

#3F76BD #BD3FB5 #BD863F #3FBD47

split-complementary

#3F76BD #BD473F #B5BD3F

monochromatic

#203D61 #30598F #3F76BD #6B96CE #99B7DD

Accessibility & contrast

On white

4.63

#3F76BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3F76BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F76BD

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F76BD	#FFFFFF	#000000	##FFFFFF
##3F76BD	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#567BC0

Deuteranopia (green-blind)

#446FBC

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f76bd;
/* rgb */ color: rgb(63, 118, 189);
/* oklch */ color: oklch(56.2% 0.125 255.7);

Tailwind

colors: {
  custom: {
    50: '#819dd1',
    500: '#3f76bd',
    950: '#000000',
  },
}

SCSS

$custom: #3f76bd;
$custom-light: #819dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f76bd",
  "rgb": {
    "r": 63,
    "g": 118,
    "b": 189
  },
  "hsl": {
    "h": 213.81,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.56237,
    "c": 0.12516,
    "h": 255.7
  },
  "luminance": 0.17688
}

Semantic roles & 50–950 ramp

primary

#3F76BD

secondary

#C9B08F

accent

#9D4EDA

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3F76BD

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

Preview Lab → · Contrast checker → · Palette generator →