#3F689A#3F689A

#3F689A is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 51.0% C 0.092 H 254.2°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3F689A
RGB	rgb(63, 104, 154)
HSL	hsl(213, 42%, 43%)
HSV	hsv(213, 59%, 60%)
CMYK	cmyk(59.1%, 32.5%, 0%, 39.6%)
CIE-LAB	lab(43.20, 1.34, -31.54)
CIE-LCH	lch(43.20, 31.56, 272.43°)
OKLab	oklab(51.03% -0.0251 -0.089)
OKLCH	oklch(51.03% 0.092 254.2)
XYZ	xyz(12.8309, 13.2894, 32.4545)
Luminance	0.1329 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F689A #9A713F

analogous

#3F959A #3F689A #443F9A

triadic

#3F689A #9A3F68 #689A3F

tetradic

#3F689A #9A3F95 #9A713F #3F9A44

square

#3F689A #9A3F95 #9A713F #3F9A44

split-complementary

#3F689A #9A443F #959A3F

monochromatic

#1B2D43 #2D4B6F #3F689A #5A86BC #86A6CD

Accessibility & contrast

On white

5.74

#3F689A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#3F689A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F689A

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F689A	#FFFFFF	#000000	##FFFFFF
##3F689A	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536B9C

Deuteranopia (green-blind)

#476299

Tritanopia (blue-blind)

#00737A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3f689a;
/* rgb */ color: rgb(63, 104, 154);
/* oklch */ color: oklch(51.0% 0.092 254.2);

Tailwind

colors: {
  custom: {
    50: '#7c92b8',
    500: '#3f689a',
    950: '#000000',
  },
}

SCSS

$custom: #3f689a;
$custom-light: #7c92b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f689a",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 154
  },
  "hsl": {
    "h": 212.967,
    "s": 41.935,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51026,
    "c": 0.09244,
    "h": 254.2
  },
  "luminance": 0.1329
}

Semantic roles & 50–950 ramp

primary

#3F689A

secondary

#B89D7D

accent

#9A56D2

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0D11

muted

#7C7D80

Preview Lab

Preview with #3F689A

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

Preview Lab → · Contrast checker → · Palette generator →