#3F8EA1#3F8EA1

#3F8EA1 is a mid, moderate cyan. Relative luminance 0.230; OKLCH L 60.5% C 0.082 H 216.0°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#3F8EA1
RGB	rgb(63, 142, 161)
HSL	hsl(192, 44%, 44%)
HSV	hsv(192, 61%, 63%)
CMYK	cmyk(60.9%, 11.8%, 0%, 36.9%)
CIE-LAB	lab(55.05, -18.29, -17.31)
CIE-LCH	lch(55.05, 25.18, 223.43°)
OKLab	oklab(60.52% -0.0661 -0.048)
OKLCH	oklch(60.52% 0.082 216)
XYZ	xyz(18.1533, 22.9742, 37.1891)
Luminance	0.2298 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8EA1 #A1523F

analogous

#3FA183 #3F8EA1 #3F5DA1

triadic

#3F8EA1 #A13F8E #8EA13F

tetradic

#3F8EA1 #833FA1 #A1523F #5DA13F

square

#3F8EA1 #833FA1 #A1523F #5DA13F

split-complementary

#3F8EA1 #A13F5D #A1833F

monochromatic

#1D4049 #2E6775 #3F8EA1 #5DADC0 #89C3D1

Accessibility & contrast

On white

3.75

#3F8EA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#3F8EA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8EA1

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8EA1	#FFFFFF	#000000	##000000
##3F8EA1	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818AA2

Deuteranopia (green-blind)

#727FA1

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3f8ea1;
/* rgb */ color: rgb(63, 142, 161);
/* oklch */ color: oklch(60.5% 0.082 216.0);

Tailwind

colors: {
  custom: {
    50: '#7eafbc',
    500: '#3f8ea1',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ea1;
$custom-light: #7eafbc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ea1",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 161
  },
  "hsl": {
    "h": 191.633,
    "s": 43.75,
    "l": 43.922
  },
  "oklch": {
    "l": 0.60524,
    "c": 0.08173,
    "h": 216
  },
  "luminance": 0.22976
}

Semantic roles & 50–950 ramp

primary

#3F8EA1

secondary

#BC8C80

accent

#6D54D3

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3F8EA1

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

Preview Lab → · Contrast checker → · Palette generator →