#3F699E#3F699E

#3F699E is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 51.5% C 0.097 H 255.0°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F699E
RGB	rgb(63, 105, 158)
HSL	hsl(213, 43%, 43%)
HSV	hsv(213, 60%, 62%)
CMYK	cmyk(60.1%, 33.5%, 0%, 38%)
CIE-LAB	lab(43.69, 2.09, -33.13)
CIE-LCH	lch(43.69, 33.19, 273.61°)
OKLab	oklab(51.48% -0.0251 -0.0936)
OKLCH	oklch(51.48% 0.097 255)
XYZ	xyz(13.2708, 13.6274, 34.2721)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F699E #9E743F

analogous

#3F989E #3F699E #453F9E

triadic

#3F699E #9E3F69 #699E3F

tetradic

#3F699E #9E3F98 #9E743F #3F9E45

square

#3F699E #9E3F98 #9E743F #3F9E45

split-complementary

#3F699E #9E453F #989E3F

monochromatic

#1C2F46 #2E4C72 #3F699E #5C87BE #88A8D0

Accessibility & contrast

On white

5.64

#3F699E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#3F699E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F699E

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F699E	#FFFFFF	#000000	##FFFFFF
##3F699E	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536CA0

Deuteranopia (green-blind)

#46639D

Tritanopia (blue-blind)

#00757C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f699e;
/* rgb */ color: rgb(63, 105, 158);
/* oklch */ color: oklch(51.5% 0.097 255.0);

Tailwind

colors: {
  custom: {
    50: '#7c93bb',
    500: '#3f699e',
    950: '#000000',
  },
}

SCSS

$custom: #3f699e;
$custom-light: #7c93bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f699e",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 158
  },
  "hsl": {
    "h": 213.474,
    "s": 42.986,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51481,
    "c": 0.09689,
    "h": 255
  },
  "luminance": 0.13629
}

Semantic roles & 50–950 ramp

primary

#3F699E

secondary

#BAA07F

accent

#9B55D3

background

#F7F9FB

surface

#EEF1F6

border

#C9CBD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3F699E

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

Preview Lab → · Contrast checker → · Palette generator →