#3F699F#3F699F

#3F699F is a mid, moderate cyan. Relative luminance 0.137; OKLCH L 51.5% C 0.098 H 255.4°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F699F
RGB	rgb(63, 105, 159)
HSL	hsl(214, 43%, 44%)
HSV	hsv(214, 60%, 62%)
CMYK	cmyk(60.4%, 34%, 0%, 37.6%)
CIE-LAB	lab(43.74, 2.44, -33.64)
CIE-LCH	lch(43.74, 33.73, 274.14°)
OKLab	oklab(51.54% -0.0248 -0.0951)
OKLCH	oklch(51.54% 0.098 255.4)
XYZ	xyz(13.3573, 13.6619, 34.7273)
Luminance	0.1366 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F699F #9F753F

analogous

#3F999F #3F699F #453F9F

triadic

#3F699F #9F3F69 #699F3F

tetradic

#3F699F #9F3F99 #9F753F #3F9F45

square

#3F699F #9F3F99 #9F753F #3F9F45

split-complementary

#3F699F #9F453F #999F3F

monochromatic

#1C2F47 #2E4C73 #3F699F #5D87BF #88A8D0

Accessibility & contrast

On white

5.63

#3F699F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#3F699F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F699F

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F699F	#FFFFFF	#000000	##FFFFFF
##3F699F	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526CA1

Deuteranopia (green-blind)

#46639E

Tritanopia (blue-blind)

#00757C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f699f;
/* rgb */ color: rgb(63, 105, 159);
/* oklch */ color: oklch(51.5% 0.098 255.4);

Tailwind

colors: {
  custom: {
    50: '#7c93bb',
    500: '#3f699f',
    950: '#000000',
  },
}

SCSS

$custom: #3f699f;
$custom-light: #7c93bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f699f",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 159
  },
  "hsl": {
    "h": 213.75,
    "s": 43.243,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51537,
    "c": 0.09826,
    "h": 255.4
  },
  "luminance": 0.13663
}

Semantic roles & 50–950 ramp

primary

#3F699F

secondary

#BBA17F

accent

#9C55D3

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3F699F

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

Preview Lab → · Contrast checker → · Palette generator →