#3F76CD#3F76CD

#3F76CD is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.2% C 0.147 H 259.2°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3F76CD
RGB	rgb(63, 118, 205)
HSL	hsl(217, 59%, 53%)
HSV	hsv(217, 69%, 80%)
CMYK	cmyk(69.3%, 42.4%, 0%, 19.6%)
CIE-LAB	lab(50.00, 10.63, -50.42)
CIE-LCH	lch(50.00, 51.53, 281.91°)
OKLab	oklab(57.22% -0.0274 -0.144)
OKLCH	oklch(57.22% 0.147 259.2)
XYZ	xyz(19.5438, 18.4194, 60.2711)
Luminance	0.1842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F76CD #CD963F

analogous

#3FBDCD #3F76CD #4F3FCD

triadic

#3F76CD #CD3F76 #76CD3F

tetradic

#3F76CD #CD3FBD #CD963F #3FCD4F

square

#3F76CD #CD3FBD #CD963F #3FCD4F

split-complementary

#3F76CD #CD4F3F #BDCD3F

monochromatic

#1E3F74 #2B5AA4 #3F76CD #7099DA #A0BBE6

Accessibility & contrast

On white

4.48

#3F76CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3F76CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F76CD

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F76CD	#FFFFFF	#000000	##000000
##3F76CD	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7ED0

Deuteranopia (green-blind)

#3571CB

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3f76cd;
/* rgb */ color: rgb(63, 118, 205);
/* oklch */ color: oklch(57.2% 0.147 259.2);

Tailwind

colors: {
  custom: {
    50: '#849ddd',
    500: '#3f76cd',
    950: '#000000',
  },
}

SCSS

$custom: #3f76cd;
$custom-light: #849ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f76cd",
  "rgb": {
    "r": 63,
    "g": 118,
    "b": 205
  },
  "hsl": {
    "h": 216.761,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57215,
    "c": 0.14661,
    "h": 259.2
  },
  "luminance": 0.18421
}

Semantic roles & 50–950 ramp

primary

#3F76CD

secondary

#D3BB95

accent

#A546E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3F76CD

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

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