#3F669A#3F669A

#3F669A is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.6% C 0.095 H 256.1°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F669A
RGB	rgb(63, 102, 154)
HSL	hsl(214, 42%, 43%)
HSV	hsv(214, 59%, 60%)
CMYK	cmyk(59.1%, 33.8%, 0%, 39.6%)
CIE-LAB	lab(42.60, 2.58, -32.47)
CIE-LCH	lch(42.60, 32.58, 274.54°)
OKLab	oklab(50.56% -0.0228 -0.0917)
OKLCH	oklch(50.56% 0.095 256.1)
XYZ	xyz(12.6319, 12.8915, 32.3882)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F669A #9A733F

analogous

#3F939A #3F669A #463F9A

triadic

#3F669A #9A3F66 #669A3F

tetradic

#3F669A #9A3F93 #9A733F #3F9A46

square

#3F669A #9A3F93 #9A733F #3F9A46

split-complementary

#3F669A #9A463F #939A3F

monochromatic

#1B2C43 #2D496F #3F669A #5A84BC #86A5CD

Accessibility & contrast

On white

5.87

#3F669A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#3F669A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F669A

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F669A	#FFFFFF	#000000	##FFFFFF
##3F669A	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50699C

Deuteranopia (green-blind)

#456199

Tritanopia (blue-blind)

#007279

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f669a;
/* rgb */ color: rgb(63, 102, 154);
/* oklch */ color: oklch(50.6% 0.095 256.1);

Tailwind

colors: {
  custom: {
    50: '#7c91b8',
    500: '#3f669a',
    950: '#000000',
  },
}

SCSS

$custom: #3f669a;
$custom-light: #7c91b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f669a",
  "rgb": {
    "r": 63,
    "g": 102,
    "b": 154
  },
  "hsl": {
    "h": 214.286,
    "s": 41.935,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50559,
    "c": 0.0945,
    "h": 256.1
  },
  "luminance": 0.12893
}

Semantic roles & 50–950 ramp

primary

#3F669A

secondary

#B89F7D

accent

#9D56D2

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #3F669A

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

Preview Lab → · Contrast checker → · Palette generator →