#3F697B#3F697B

#3F697B is a mid, muted cyan. Relative luminance 0.126; OKLCH L 49.7% C 0.055 H 227.2°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#3F697B
RGB	rgb(63, 105, 123)
HSL	hsl(198, 32%, 36%)
HSV	hsv(198, 49%, 48%)
CMYK	cmyk(48.8%, 14.6%, 0%, 51.8%)
CIE-LAB	lab(42.14, -9.35, -14.58)
CIE-LCH	lch(42.14, 17.32, 237.33°)
OKLab	oklab(49.74% -0.0373 -0.0403)
OKLCH	oklch(49.74% 0.055 227.2)
XYZ	xyz(10.6753, 12.5892, 20.6025)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F697B #7B513F

analogous

#3F7B6F #3F697B #3F4B7B

triadic

#3F697B #7B3F69 #697B3F

tetradic

#3F697B #6F3F7B #7B513F #4B7B3F

square

#3F697B #6F3F7B #7B513F #4B7B3F

split-complementary

#3F697B #7B3F4B #7B6F3F

monochromatic

#16242A #2A4653 #3F697B #548CA3 #7AA7BB

Accessibility & contrast

On white

5.97

#3F697B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#3F697B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F697B

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F697B	#FFFFFF	#000000	##FFFFFF
##3F697B	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F677C

Deuteranopia (green-blind)

#57617B

Tritanopia (blue-blind)

#226E6F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3f697b;
/* rgb */ color: rgb(63, 105, 123);
/* oklch */ color: oklch(49.7% 0.055 227.2);

Tailwind

colors: {
  custom: {
    50: '#7893a1',
    500: '#3f697b',
    950: '#000000',
  },
}

SCSS

$custom: #3f697b;
$custom-light: #7893a1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f697b",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 123
  },
  "hsl": {
    "h": 198,
    "s": 32.258,
    "l": 36.471
  },
  "oklch": {
    "l": 0.49741,
    "c": 0.05494,
    "h": 227.2
  },
  "luminance": 0.1259
}

Semantic roles & 50–950 ramp

primary

#3F697B

secondary

#A58071

accent

#7F5FC8

background

#F7F9F9

surface

#EDF1F2

border

#C8CBCC

text

#090D0F

muted

#7B7E7E

Preview Lab

Preview with #3F697B

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

Preview Lab → · Contrast checker → · Palette generator →