#3F709E#3F709E

#3F709E is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.1% C 0.090 H 248.5°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F709E
RGB	rgb(63, 112, 158)
HSL	hsl(209, 43%, 43%)
HSV	hsv(209, 60%, 62%)
CMYK	cmyk(60.1%, 29.1%, 0%, 38%)
CIE-LAB	lab(45.79, -2.18, -29.84)
CIE-LCH	lch(45.79, 29.92, 265.81°)
OKLab	oklab(53.12% -0.0331 -0.084)
OKLCH	oklch(53.12% 0.09 248.5)
XYZ	xyz(14.0134, 15.1125, 34.5196)
Luminance	0.1511 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F709E #9E6D3F

analogous

#3F9E9C #3F709E #3F409E

triadic

#3F709E #9E3F70 #709E3F

tetradic

#3F709E #9C3F9E #9E6D3F #409E3F

square

#3F709E #9C3F9E #9E6D3F #409E3F

split-complementary

#3F709E #9E3F40 #9E9C3F

monochromatic

#1C3246 #2E5172 #3F709E #5C8FBE #88ADD0

Accessibility & contrast

On white

5.22

#3F709E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#3F709E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F709E

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F709E	#FFFFFF	#000000	##FFFFFF
##3F709E	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C72A0

Deuteranopia (green-blind)

#50689D

Tritanopia (blue-blind)

#007B80

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3f709e;
/* rgb */ color: rgb(63, 112, 158);
/* oklch */ color: oklch(53.1% 0.090 248.5);

Tailwind

colors: {
  custom: {
    50: '#7c98bb',
    500: '#3f709e',
    950: '#000000',
  },
}

SCSS

$custom: #3f709e;
$custom-light: #7c98bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f709e",
  "rgb": {
    "r": 63,
    "g": 112,
    "b": 158
  },
  "hsl": {
    "h": 209.053,
    "s": 42.986,
    "l": 43.333
  },
  "oklch": {
    "l": 0.53123,
    "c": 0.09029,
    "h": 248.5
  },
  "luminance": 0.15114
}

Semantic roles & 50–950 ramp

primary

#3F709E

secondary

#BA9B7F

accent

#9255D3

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #3F709E

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

Preview Lab → · Contrast checker → · Palette generator →