#3F799A#3F799A

#3F799A is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.1% C 0.080 H 235.7°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3F799A
RGB	rgb(63, 121, 154)
HSL	hsl(202, 42%, 43%)
HSV	hsv(202, 59%, 60%)
CMYK	cmyk(59.1%, 21.4%, 0%, 39.6%)
CIE-LAB	lab(48.34, -8.83, -23.53)
CIE-LCH	lch(48.34, 25.13, 249.43°)
OKLab	oklab(55.08% -0.0449 -0.0657)
OKLCH	oklch(55.08% 0.08 235.7)
XYZ	xyz(14.7178, 17.0632, 33.0835)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F799A #9A603F

analogous

#3F9A8D #3F799A #3F4C9A

triadic

#3F799A #9A3F79 #799A3F

tetradic

#3F799A #8D3F9A #9A603F #4C9A3F

square

#3F799A #8D3F9A #9A603F #4C9A3F

split-complementary

#3F799A #9A3F4C #9A8D3F

monochromatic

#1B3543 #2D576F #3F799A #5A98BC #86B4CD

Accessibility & contrast

On white

4.76

#3F799A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3F799A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F799A

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F799A	#FFFFFF	#000000	##FFFFFF
##3F799A	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69789C

Deuteranopia (green-blind)

#5D6F99

Tritanopia (blue-blind)

#008284

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3f799a;
/* rgb */ color: rgb(63, 121, 154);
/* oklch */ color: oklch(55.1% 0.080 235.7);

Tailwind

colors: {
  custom: {
    50: '#7c9fb8',
    500: '#3f799a',
    950: '#000000',
  },
}

SCSS

$custom: #3f799a;
$custom-light: #7c9fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f799a",
  "rgb": {
    "r": 63,
    "g": 121,
    "b": 154
  },
  "hsl": {
    "h": 201.758,
    "s": 41.935,
    "l": 42.549
  },
  "oklch": {
    "l": 0.55082,
    "c": 0.07962,
    "h": 235.7
  },
  "luminance": 0.17065
}

Semantic roles & 50–950 ramp

primary

#3F799A

secondary

#B8927D

accent

#8356D2

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #3F799A

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

Preview Lab → · Contrast checker → · Palette generator →