#3F8ABC#3F8ABC

#3F8ABC is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.8% C 0.106 H 240.8°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3F8ABC
RGB	rgb(63, 138, 188)
HSL	hsl(204, 50%, 49%)
HSV	hsv(204, 66%, 74%)
CMYK	cmyk(66.5%, 26.6%, 0%, 26.3%)
CIE-LAB	lab(54.93, -7.29, -32.94)
CIE-LCH	lch(54.93, 33.74, 257.52°)
OKLab	oklab(60.79% -0.0518 -0.0928)
OKLCH	oklch(60.79% 0.106 240.8)
XYZ	xyz(20.2120, 22.8624, 50.9149)
Luminance	0.2286 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8ABC #BC713F

analogous

#3FBCB0 #3F8ABC #3F4CBC

triadic

#3F8ABC #BC3F8A #8ABC3F

tetradic

#3F8ABC #B03FBC #BC713F #4CBC3F

square

#3F8ABC #B03FBC #BC713F #4CBC3F

split-complementary

#3F8ABC #BC3F4C #BCB03F

monochromatic

#204760 #30688E #3F8ABC #6BA6CD #99C2DD

Accessibility & contrast

On white

3.77

#3F8ABC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#3F8ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ABC

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8ABC	#FFFFFF	#000000	##000000
##3F8ABC	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738ABE

Deuteranopia (green-blind)

#627EBB

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f8abc;
/* rgb */ color: rgb(63, 138, 188);
/* oklch */ color: oklch(60.8% 0.106 240.8);

Tailwind

colors: {
  custom: {
    50: '#81acd0',
    500: '#3f8abc',
    950: '#000000',
  },
}

SCSS

$custom: #3f8abc;
$custom-light: #81acd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8abc",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 188
  },
  "hsl": {
    "h": 204,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.60793,
    "c": 0.10622,
    "h": 240.8
  },
  "luminance": 0.22865
}

Semantic roles & 50–950 ramp

primary

#3F8ABC

secondary

#C9A68E

accent

#864ED9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3F8ABC

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

Preview Lab → · Contrast checker → · Palette generator →