#3F699C#3F699C

#3F699C is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 51.4% C 0.094 H 254.2°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3F699C
RGB	rgb(63, 105, 156)
HSL	hsl(213, 42%, 43%)
HSV	hsv(213, 60%, 61%)
CMYK	cmyk(59.6%, 32.7%, 0%, 38.8%)
CIE-LAB	lab(43.59, 1.40, -32.10)
CIE-LCH	lch(43.59, 32.13, 272.51°)
OKLab	oklab(51.37% -0.0257 -0.0906)
OKLCH	oklch(51.37% 0.094 254.2)
XYZ	xyz(13.1001, 13.5591, 33.3729)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F699C #9C723F

analogous

#3F979C #3F699C #433F9C

triadic

#3F699C #9C3F69 #699C3F

tetradic

#3F699C #9C3F97 #9C723F #3F9C43

square

#3F699C #9C3F97 #9C723F #3F9C43

split-complementary

#3F699C #9C433F #979C3F

monochromatic

#1C2E45 #2D4C70 #3F699C #5B87BD #87A7CE

Accessibility & contrast

On white

5.66

#3F699C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3F699C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F699C

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F699C	#FFFFFF	#000000	##FFFFFF
##3F699C	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#546C9E

Deuteranopia (green-blind)

#48639B

Tritanopia (blue-blind)

#00757B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f699c;
/* rgb */ color: rgb(63, 105, 156);
/* oklch */ color: oklch(51.4% 0.094 254.2);

Tailwind

colors: {
  custom: {
    50: '#7c93b9',
    500: '#3f699c',
    950: '#000000',
  },
}

SCSS

$custom: #3f699c;
$custom-light: #7c93b9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f699c",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 156
  },
  "hsl": {
    "h": 212.903,
    "s": 42.466,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5137,
    "c": 0.09416,
    "h": 254.2
  },
  "luminance": 0.1356
}

Semantic roles & 50–950 ramp

primary

#3F699C

secondary

#B99E7E

accent

#9A56D2

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#0A0D11

muted

#7C7E80

Preview Lab

Preview with #3F699C

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

Preview Lab → · Contrast checker → · Palette generator →