#3F607F#3F607F

#3F607F is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.7% C 0.063 H 247.8°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3F607F
RGB	rgb(63, 96, 127)
HSL	hsl(209, 34%, 37%)
HSV	hsv(209, 50%, 50%)
CMYK	cmyk(50.4%, 24.4%, 0%, 50.2%)
CIE-LAB	lab(39.50, -2.71, -21.05)
CIE-LCH	lch(39.50, 21.23, 262.68°)
OKLab	oklab(47.71% -0.024 -0.0587)
OKLCH	oklch(47.71% 0.063 247.8)
XYZ	xyz(10.0622, 10.9541, 21.6587)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F607F #7F5E3F

analogous

#3F7F7E #3F607F #3F407F

triadic

#3F607F #7F3F60 #607F3F

tetradic

#3F607F #7E3F7F #7F5E3F #407F3F

square

#3F607F #7E3F7F #7F5E3F #407F3F

split-complementary

#3F607F #7F3F40 #7F7E3F

monochromatic

#16222D #2B4156 #3F607F #537FA8 #7B9DBD

Accessibility & contrast

On white

6.58

#3F607F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3F607F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F607F

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F607F	#FFFFFF	#000000	##FFFFFF
##3F607F	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536180

Deuteranopia (green-blind)

#4B5A7E

Tritanopia (blue-blind)

#21676B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3f607f;
/* rgb */ color: rgb(63, 96, 127);
/* oklch */ color: oklch(47.7% 0.063 247.8);

Tailwind

colors: {
  custom: {
    50: '#788da4',
    500: '#3f607f',
    950: '#000000',
  },
}

SCSS

$custom: #3f607f;
$custom-light: #788da4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f607f",
  "rgb": {
    "r": 63,
    "g": 96,
    "b": 127
  },
  "hsl": {
    "h": 209.063,
    "s": 33.684,
    "l": 37.255
  },
  "oklch": {
    "l": 0.4771,
    "c": 0.06344,
    "h": 247.8
  },
  "luminance": 0.10955
}

Semantic roles & 50–950 ramp

primary

#3F607F

secondary

#A88C72

accent

#925ECA

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#090C0F

muted

#7B7D7F

Preview Lab

Preview with #3F607F

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

Preview Lab → · Contrast checker → · Palette generator →