#3F679F#3F679F

#3F679F is a mid, moderate blue. Relative luminance 0.133; OKLCH L 51.1% C 0.100 H 257.0°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F679F
RGB	rgb(63, 103, 159)
HSL	hsl(215, 43%, 44%)
HSV	hsv(215, 60%, 62%)
CMYK	cmyk(60.4%, 35.2%, 0%, 37.6%)
CIE-LAB	lab(43.15, 3.68, -34.57)
CIE-LCH	lch(43.15, 34.77, 276.07°)
OKLab	oklab(51.07% -0.0225 -0.0978)
OKLCH	oklch(51.07% 0.1 257)
XYZ	xyz(13.1559, 13.2593, 34.6602)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F679F #9F773F

analogous

#3F979F #3F679F #473F9F

triadic

#3F679F #9F3F67 #679F3F

tetradic

#3F679F #9F3F97 #9F773F #3F9F47

square

#3F679F #9F3F97 #9F773F #3F9F47

split-complementary

#3F679F #9F473F #979F3F

monochromatic

#1C2E47 #2E4B73 #3F679F #5D85BF #88A6D0

Accessibility & contrast

On white

5.75

#3F679F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3F679F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F679F

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F679F	#FFFFFF	#000000	##FFFFFF
##3F679F	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506BA1

Deuteranopia (green-blind)

#43629E

Tritanopia (blue-blind)

#00747B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3f679f;
/* rgb */ color: rgb(63, 103, 159);
/* oklch */ color: oklch(51.1% 0.100 257.0);

Tailwind

colors: {
  custom: {
    50: '#7c92bb',
    500: '#3f679f',
    950: '#000000',
  },
}

SCSS

$custom: #3f679f;
$custom-light: #7c92bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f679f",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 159
  },
  "hsl": {
    "h": 215,
    "s": 43.243,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51074,
    "c": 0.10038,
    "h": 257
  },
  "luminance": 0.1326
}

Semantic roles & 50–950 ramp

primary

#3F679F

secondary

#BBA27F

accent

#9E55D3

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3F679F

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

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