#3F8EA4#3F8EA4

#3F8EA4 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.6% C 0.083 H 218.9°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EA4
RGB	rgb(63, 142, 164)
HSL	hsl(193, 44%, 45%)
HSV	hsv(193, 62%, 64%)
CMYK	cmyk(61.6%, 13.4%, 0%, 35.7%)
CIE-LAB	lab(55.16, -17.35, -18.86)
CIE-LCH	lch(55.16, 25.63, 227.39°)
OKLab	oklab(60.65% -0.0649 -0.0524)
OKLCH	oklch(60.65% 0.083 218.9)
XYZ	xyz(18.4211, 23.0812, 38.5991)
Luminance	0.2308 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EA4 #A4553F

analogous

#3FA487 #3F8EA4 #3F5CA4

triadic

#3F8EA4 #A43F8E #8EA43F

tetradic

#3F8EA4 #873FA4 #A4553F #5CA43F

square

#3F8EA4 #873FA4 #A4553F #5CA43F

split-complementary

#3F8EA4 #A43F5C #A4873F

monochromatic

#1D414C #2E6878 #3F8EA4 #5FACC1 #8BC3D2

Accessibility & contrast

On white

3.74

#3F8EA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#3F8EA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EA4

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EA4	#FFFFFF	#000000	##000000
##3F8EA4	1.00	3.74	5.62	5.62
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808AA5

Deuteranopia (green-blind)

#717FA4

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f8ea4;
/* rgb */ color: rgb(63, 142, 164);
/* oklch */ color: oklch(60.6% 0.083 218.9);

Tailwind

colors: {
  custom: {
    50: '#7eafbf',
    500: '#3f8ea4',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ea4;
$custom-light: #7eafbf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ea4",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 164
  },
  "hsl": {
    "h": 193.069,
    "s": 44.493,
    "l": 44.51
  },
  "oklch": {
    "l": 0.60649,
    "c": 0.08342,
    "h": 218.9
  },
  "luminance": 0.23083
}

Semantic roles & 50–950 ramp

primary

#3F8EA4

secondary

#BD8F82

accent

#7054D4

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3F8EA4

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

Preview Lab → · Contrast checker → · Palette generator →