#3F8CC1#3F8CC1

#3F8CC1 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.5% C 0.110 H 241.8°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F8CC1
RGB	rgb(63, 140, 193)
HSL	hsl(204, 51%, 50%)
HSV	hsv(204, 67%, 76%)
CMYK	cmyk(67.4%, 27.5%, 0%, 24.3%)
CIE-LAB	lab(55.75, -6.74, -34.51)
CIE-LCH	lch(55.75, 35.16, 258.94°)
OKLab	oklab(61.51% -0.0522 -0.0973)
OKLCH	oklch(61.51% 0.11 241.8)
XYZ	xyz(21.0499, 23.6610, 53.8994)
Luminance	0.2366 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8CC1 #C1743F

analogous

#3FC1B5 #3F8CC1 #3F4BC1

triadic

#3F8CC1 #C13F8C #8CC13F

tetradic

#3F8CC1 #B53FC1 #C1743F #4BC13F

square

#3F8CC1 #B53FC1 #C1743F #4BC13F

split-complementary

#3F8CC1 #C13F4B #C1B53F

monochromatic

#214965 #306B93 #3F8CC1 #6DA8D0 #9CC3DF

Accessibility & contrast

On white

3.66

#3F8CC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#3F8CC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CC1

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8CC1	#FFFFFF	#000000	##000000
##3F8CC1	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748DC3

Deuteranopia (green-blind)

#6280C0

Tritanopia (blue-blind)

#00999E

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8cc1;
/* rgb */ color: rgb(63, 140, 193);
/* oklch */ color: oklch(61.5% 0.110 241.8);

Tailwind

colors: {
  custom: {
    50: '#82add4',
    500: '#3f8cc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f8cc1;
$custom-light: #82add4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8cc1",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 193
  },
  "hsl": {
    "h": 204.462,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.61513,
    "c": 0.1104,
    "h": 241.8
  },
  "luminance": 0.23663
}

Semantic roles & 50–950 ramp

primary

#3F8CC1

secondary

#CBA991

accent

#874DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8CC1

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

Preview Lab → · Contrast checker → · Palette generator →