#3F699D#3F699D

#3F699D is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 51.4% C 0.096 H 254.6°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F699D
RGB	rgb(63, 105, 157)
HSL	hsl(213, 43%, 43%)
HSV	hsv(213, 60%, 62%)
CMYK	cmyk(59.9%, 33.1%, 0%, 38.4%)
CIE-LAB	lab(43.64, 1.75, -32.61)
CIE-LCH	lch(43.64, 32.66, 273.07°)
OKLab	oklab(51.43% -0.0254 -0.0921)
OKLCH	oklch(51.43% 0.096 254.6)
XYZ	xyz(13.1851, 13.5931, 33.8206)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F699D #9D733F

analogous

#3F989D #3F699D #443F9D

triadic

#3F699D #9D3F69 #699D3F

tetradic

#3F699D #9D3F98 #9D733F #3F9D44

square

#3F699D #9D3F98 #9D733F #3F9D44

split-complementary

#3F699D #9D443F #989D3F

monochromatic

#1C2F46 #2D4C71 #3F699D #5C87BD #87A7CF

Accessibility & contrast

On white

5.65

#3F699D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3F699D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F699D

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F699D	#FFFFFF	#000000	##FFFFFF
##3F699D	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536C9F

Deuteranopia (green-blind)

#47639C

Tritanopia (blue-blind)

#00757C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f699d;
/* rgb */ color: rgb(63, 105, 157);
/* oklch */ color: oklch(51.4% 0.096 254.6);

Tailwind

colors: {
  custom: {
    50: '#7c93ba',
    500: '#3f699d',
    950: '#000000',
  },
}

SCSS

$custom: #3f699d;
$custom-light: #7c93ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f699d",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 157
  },
  "hsl": {
    "h": 213.191,
    "s": 42.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.51425,
    "c": 0.09552,
    "h": 254.6
  },
  "luminance": 0.13594
}

Semantic roles & 50–950 ramp

primary

#3F699D

secondary

#BA9F7E

accent

#9B55D3

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #3F699D

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

Preview Lab → · Contrast checker → · Palette generator →