#3F8EA3#3F8EA3

#3F8EA3 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.6% C 0.083 H 218.0°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EA3
RGB	rgb(63, 142, 163)
HSL	hsl(193, 44%, 44%)
HSV	hsv(193, 61%, 64%)
CMYK	cmyk(61.3%, 12.9%, 0%, 36.1%)
CIE-LAB	lab(55.12, -17.67, -18.35)
CIE-LCH	lch(55.12, 25.47, 226.08°)
OKLab	oklab(60.61% -0.0653 -0.051)
OKLCH	oklch(60.61% 0.083 218)
XYZ	xyz(18.3311, 23.0453, 38.1254)
Luminance	0.2305 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EA3 #A3543F

analogous

#3FA386 #3F8EA3 #3F5CA3

triadic

#3F8EA3 #A33F8E #8EA33F

tetradic

#3F8EA3 #863FA3 #A3543F #5CA33F

square

#3F8EA3 #863FA3 #A3543F #5CA33F

split-complementary

#3F8EA3 #A33F5C #A3863F

monochromatic

#1D414B #2E6877 #3F8EA3 #5EACC1 #8AC3D2

Accessibility & contrast

On white

3.74

#3F8EA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#3F8EA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EA3

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EA3	#FFFFFF	#000000	##000000
##3F8EA3	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808AA4

Deuteranopia (green-blind)

#727FA3

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f8ea3;
/* rgb */ color: rgb(63, 142, 163);
/* oklch */ color: oklch(60.6% 0.083 218.0);

Tailwind

colors: {
  custom: {
    50: '#7eafbe',
    500: '#3f8ea3',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ea3;
$custom-light: #7eafbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ea3",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 163
  },
  "hsl": {
    "h": 192.6,
    "s": 44.248,
    "l": 44.314
  },
  "oklch": {
    "l": 0.60607,
    "c": 0.08284,
    "h": 218
  },
  "luminance": 0.23047
}

Semantic roles & 50–950 ramp

primary

#3F8EA3

secondary

#BD8E81

accent

#6F54D4

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3F8EA3

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

Preview Lab → · Contrast checker → · Palette generator →