#3F709F#3F709F

#3F709F is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.2% C 0.092 H 249.0°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3F709F
RGB	rgb(63, 112, 159)
HSL	hsl(209, 43%, 44%)
HSV	hsv(209, 60%, 62%)
CMYK	cmyk(60.4%, 29.6%, 0%, 37.6%)
CIE-LAB	lab(45.83, -1.85, -30.36)
CIE-LCH	lch(45.83, 30.42, 266.52°)
OKLab	oklab(53.18% -0.0328 -0.0855)
OKLCH	oklch(53.18% 0.092 249)
XYZ	xyz(14.0998, 15.1470, 34.9748)
Luminance	0.1515 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F709F #9F6E3F

analogous

#3F9F9E #3F709F #3F409F

triadic

#3F709F #9F3F70 #709F3F

tetradic

#3F709F #9E3F9F #9F6E3F #409F3F

square

#3F709F #9E3F9F #9F6E3F #409F3F

split-complementary

#3F709F #9F3F40 #9F9E3F

monochromatic

#1C3247 #2E5173 #3F709F #5D8FBF #88ADD0

Accessibility & contrast

On white

5.21

#3F709F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#3F709F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F709F

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F709F	#FFFFFF	#000000	##FFFFFF
##3F709F	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C72A1

Deuteranopia (green-blind)

#4F689E

Tritanopia (blue-blind)

#007B80

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f709f;
/* rgb */ color: rgb(63, 112, 159);
/* oklch */ color: oklch(53.2% 0.092 249.0);

Tailwind

colors: {
  custom: {
    50: '#7c98bb',
    500: '#3f709f',
    950: '#000000',
  },
}

SCSS

$custom: #3f709f;
$custom-light: #7c98bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f709f",
  "rgb": {
    "r": 63,
    "g": 112,
    "b": 159
  },
  "hsl": {
    "h": 209.375,
    "s": 43.243,
    "l": 43.529
  },
  "oklch": {
    "l": 0.53176,
    "c": 0.09156,
    "h": 249
  },
  "luminance": 0.15148
}

Semantic roles & 50–950 ramp

primary

#3F709F

secondary

#BB9C7F

accent

#9355D3

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3F709F

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

Preview Lab → · Contrast checker → · Palette generator →