#3F8EA0#3F8EA0

#3F8EA0 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.5% C 0.081 H 215.0°. Best body text is #000000 at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EA0
RGB	rgb(63, 142, 160)
HSL	hsl(191, 43%, 44%)
HSV	hsv(191, 61%, 63%)
CMYK	cmyk(60.6%, 11.2%, 0%, 37.3%)
CIE-LAB	lab(55.01, -18.60, -16.79)
CIE-LCH	lch(55.01, 25.05, 222.08°)
OKLab	oklab(60.48% -0.0665 -0.0466)
OKLCH	oklch(60.48% 0.081 215)
XYZ	xyz(18.0655, 22.9390, 36.7265)
Luminance	0.2294 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EA0 #A0513F

analogous

#3FA081 #3F8EA0 #3F5DA0

triadic

#3F8EA0 #A03F8E #8EA03F

tetradic

#3F8EA0 #813FA0 #A0513F #5DA03F

square

#3F8EA0 #813FA0 #A0513F #5DA03F

split-complementary

#3F8EA0 #A03F5D #A0813F

monochromatic

#1C4048 #2E6774 #3F8EA0 #5DADBF #89C3D0

Accessibility & contrast

On white

3.76

#3F8EA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.59

#3F8EA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EA0

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EA0	#FFFFFF	#000000	##000000
##3F8EA0	1.00	3.76	5.59	5.59
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.59	21.00	1.00	1.00
##000000	5.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818AA1

Deuteranopia (green-blind)

#737FA0

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f8ea0;
/* rgb */ color: rgb(63, 142, 160);
/* oklch */ color: oklch(60.5% 0.081 215.0);

Tailwind

colors: {
  custom: {
    50: '#7eafbc',
    500: '#3f8ea0',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ea0;
$custom-light: #7eafbc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ea0",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 160
  },
  "hsl": {
    "h": 191.134,
    "s": 43.498,
    "l": 43.725
  },
  "oklch": {
    "l": 0.60483,
    "c": 0.08121,
    "h": 215
  },
  "luminance": 0.22941
}

Semantic roles & 50–950 ramp

primary

#3F8EA0

secondary

#BB8B80

accent

#6C55D3

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3F8EA0

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

Preview Lab → · Contrast checker → · Palette generator →