#3F8FA3#3F8FA3

#3F8FA3 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 60.9% C 0.083 H 216.8°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FA3
RGB	rgb(63, 143, 163)
HSL	hsl(192, 44%, 44%)
HSV	hsv(192, 61%, 64%)
CMYK	cmyk(61.3%, 12.3%, 0%, 36.1%)
CIE-LAB	lab(55.43, -18.20, -17.88)
CIE-LCH	lch(55.43, 25.52, 224.49°)
OKLab	oklab(60.85% -0.0664 -0.0497)
OKLCH	oklch(60.85% 0.083 216.8)
XYZ	xyz(18.4806, 23.3442, 38.1752)
Luminance	0.2335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FA3 #A3533F

analogous

#3FA385 #3F8FA3 #3F5DA3

triadic

#3F8FA3 #A33F8F #8FA33F

tetradic

#3F8FA3 #853FA3 #A3533F #5DA33F

square

#3F8FA3 #853FA3 #A3533F #5DA33F

split-complementary

#3F8FA3 #A33F5D #A3853F

monochromatic

#1D424B #2E6877 #3F8FA3 #5EADC1 #8AC4D2

Accessibility & contrast

On white

3.70

#3F8FA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#3F8FA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FA3

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FA3	#FFFFFF	#000000	##000000
##3F8FA3	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828BA4

Deuteranopia (green-blind)

#7380A3

Tritanopia (blue-blind)

#009695

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8fa3;
/* rgb */ color: rgb(63, 143, 163);
/* oklch */ color: oklch(60.9% 0.083 216.8);

Tailwind

colors: {
  custom: {
    50: '#7eb0be',
    500: '#3f8fa3',
    950: '#000000',
  },
}

SCSS

$custom: #3f8fa3;
$custom-light: #7eb0be;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8fa3",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 163
  },
  "hsl": {
    "h": 192,
    "s": 44.248,
    "l": 44.314
  },
  "oklch": {
    "l": 0.60853,
    "c": 0.08292,
    "h": 216.8
  },
  "luminance": 0.23346
}

Semantic roles & 50–950 ramp

primary

#3F8FA3

secondary

#BD8D81

accent

#6D54D4

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3F8FA3

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

Preview Lab → · Contrast checker → · Palette generator →