#3F689F#3F689F

#3F689F is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 51.3% C 0.099 H 256.2°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3F689F
RGB	rgb(63, 104, 159)
HSL	hsl(214, 43%, 44%)
HSV	hsv(214, 60%, 62%)
CMYK	cmyk(60.4%, 34.6%, 0%, 37.6%)
CIE-LAB	lab(43.45, 3.06, -34.11)
CIE-LCH	lch(43.45, 34.24, 275.12°)
OKLab	oklab(51.31% -0.0237 -0.0964)
OKLCH	oklch(51.31% 0.099 256.2)
XYZ	xyz(13.2560, 13.4594, 34.6935)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F689F #9F763F

analogous

#3F989F #3F689F #463F9F

triadic

#3F689F #9F3F68 #689F3F

tetradic

#3F689F #9F3F98 #9F763F #3F9F46

square

#3F689F #9F3F98 #9F763F #3F9F46

split-complementary

#3F689F #9F463F #989F3F

monochromatic

#1C2F47 #2E4B73 #3F689F #5D86BF #88A7D0

Accessibility & contrast

On white

5.69

#3F689F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3F689F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F689F

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F689F	#FFFFFF	#000000	##FFFFFF
##3F689F	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516CA1

Deuteranopia (green-blind)

#44639E

Tritanopia (blue-blind)

#00747C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f689f;
/* rgb */ color: rgb(63, 104, 159);
/* oklch */ color: oklch(51.3% 0.099 256.2);

Tailwind

colors: {
  custom: {
    50: '#7c92bb',
    500: '#3f689f',
    950: '#000000',
  },
}

SCSS

$custom: #3f689f;
$custom-light: #7c92bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f689f",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 159
  },
  "hsl": {
    "h": 214.375,
    "s": 43.243,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51305,
    "c": 0.09931,
    "h": 256.2
  },
  "luminance": 0.13461
}

Semantic roles & 50–950 ramp

primary

#3F689F

secondary

#BBA17F

accent

#9D55D3

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0D12

muted

#7C7D81

Preview Lab

Preview with #3F689F

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

Preview Lab → · Contrast checker → · Palette generator →