#3F8FC1#3F8FC1

#3F8FC1 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.2% C 0.108 H 239.3°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FC1
RGB	rgb(63, 143, 193)
HSL	hsl(203, 51%, 50%)
HSV	hsv(203, 67%, 76%)
CMYK	cmyk(67.4%, 25.9%, 0%, 24.3%)
CIE-LAB	lab(56.63, -8.45, -33.13)
CIE-LCH	lch(56.63, 34.19, 255.68°)
OKLab	oklab(62.22% -0.0553 -0.0932)
OKLCH	oklch(62.22% 0.108 239.3)
XYZ	xyz(21.4943, 24.5497, 54.0475)
Luminance	0.2455 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FC1 #C1713F

analogous

#3FC1B2 #3F8FC1 #3F4EC1

triadic

#3F8FC1 #C13F8F #8FC13F

tetradic

#3F8FC1 #B23FC1 #C1713F #4EC13F

square

#3F8FC1 #B23FC1 #C1713F #4EC13F

split-complementary

#3F8FC1 #C13F4E #C1B23F

monochromatic

#214B65 #306D93 #3F8FC1 #6DAAD0 #9CC5DF

Accessibility & contrast

On white

3.55

#3F8FC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#3F8FC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FC1

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FC1	#FFFFFF	#000000	##000000
##3F8FC1	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788FC3

Deuteranopia (green-blind)

#6682C0

Tritanopia (blue-blind)

#009CA0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8fc1;
/* rgb */ color: rgb(63, 143, 193);
/* oklch */ color: oklch(62.2% 0.108 239.3);

Tailwind

colors: {
  custom: {
    50: '#82afd4',
    500: '#3f8fc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f8fc1;
$custom-light: #82afd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8fc1",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 193
  },
  "hsl": {
    "h": 203.077,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.62216,
    "c": 0.1084,
    "h": 239.3
  },
  "luminance": 0.24552
}

Semantic roles & 50–950 ramp

primary

#3F8FC1

secondary

#CBA791

accent

#844DDB

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #3F8FC1

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

Preview Lab → · Contrast checker → · Palette generator →