#3F709C#3F709C

#3F709C is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 53.0% C 0.088 H 247.4°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3F709C
RGB	rgb(63, 112, 156)
HSL	hsl(208, 42%, 43%)
HSV	hsv(208, 60%, 61%)
CMYK	cmyk(59.6%, 28.2%, 0%, 38.8%)
CIE-LAB	lab(45.69, -2.86, -28.81)
CIE-LCH	lch(45.69, 28.95, 264.33°)
OKLab	oklab(53.02% -0.0338 -0.081)
OKLCH	oklch(53.02% 0.088 247.4)
XYZ	xyz(13.8426, 15.0442, 33.6204)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F709C #9C6B3F

analogous

#3F9C99 #3F709C #3F419C

triadic

#3F709C #9C3F70 #709C3F

tetradic

#3F709C #993F9C #9C6B3F #419C3F

square

#3F709C #993F9C #9C6B3F #419C3F

split-complementary

#3F709C #9C3F41 #9C993F

monochromatic

#1C3145 #2D5170 #3F709C #5B8FBD #87ADCE

Accessibility & contrast

On white

5.24

#3F709C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#3F709C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F709C

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F709C	#FFFFFF	#000000	##FFFFFF
##3F709C	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D719E

Deuteranopia (green-blind)

#51689B

Tritanopia (blue-blind)

#007A7F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3f709c;
/* rgb */ color: rgb(63, 112, 156);
/* oklch */ color: oklch(53.0% 0.088 247.4);

Tailwind

colors: {
  custom: {
    50: '#7c98b9',
    500: '#3f709c',
    950: '#000000',
  },
}

SCSS

$custom: #3f709c;
$custom-light: #7c98b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f709c",
  "rgb": {
    "r": 63,
    "g": 112,
    "b": 156
  },
  "hsl": {
    "h": 208.387,
    "s": 42.466,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53019,
    "c": 0.08775,
    "h": 247.4
  },
  "luminance": 0.15045
}

Semantic roles & 50–950 ramp

primary

#3F709C

secondary

#B99A7E

accent

#9156D2

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #3F709C

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

Preview Lab → · Contrast checker → · Palette generator →