#3F6799#3F6799

#3F6799 is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.7% C 0.092 H 254.7°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F6799
RGB	rgb(63, 103, 153)
HSL	hsl(213, 42%, 42%)
HSV	hsv(213, 59%, 60%)
CMYK	cmyk(58.8%, 32.7%, 0%, 40%)
CIE-LAB	lab(42.85, 1.61, -31.49)
CIE-LCH	lch(42.85, 31.53, 272.94°)
OKLab	oklab(50.74% -0.0242 -0.0888)
OKLCH	oklch(50.74% 0.092 254.7)
XYZ	xyz(12.6479, 13.0561, 31.9844)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6799 #99713F

analogous

#3F9499 #3F6799 #443F99

triadic

#3F6799 #993F67 #67993F

tetradic

#3F6799 #993F94 #99713F #3F9944

square

#3F6799 #993F94 #99713F #3F9944

split-complementary

#3F6799 #99443F #94993F

monochromatic

#1B2D42 #2D4A6E #3F6799 #5A85BB #85A5CD

Accessibility & contrast

On white

5.81

#3F6799 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3F6799 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6799

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6799	#FFFFFF	#000000	##FFFFFF
##3F6799	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#526A9B

Deuteranopia (green-blind)

#476198

Tritanopia (blue-blind)

#007279

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f6799;
/* rgb */ color: rgb(63, 103, 153);
/* oklch */ color: oklch(50.7% 0.092 254.7);

Tailwind

colors: {
  custom: {
    50: '#7b92b7',
    500: '#3f6799',
    950: '#000000',
  },
}

SCSS

$custom: #3f6799;
$custom-light: #7b92b7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6799",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 153
  },
  "hsl": {
    "h": 213.333,
    "s": 41.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50737,
    "c": 0.09208,
    "h": 254.7
  },
  "luminance": 0.13057
}

Semantic roles & 50–950 ramp

primary

#3F6799

secondary

#B79D7C

accent

#9B56D1

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #3F6799

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

Preview Lab → · Contrast checker → · Palette generator →