#3F8FBF#3F8FBF

#3F8FBF is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.1% C 0.106 H 238.2°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FBF
RGB	rgb(63, 143, 191)
HSL	hsl(203, 50%, 50%)
HSV	hsv(203, 67%, 75%)
CMYK	cmyk(67%, 25.1%, 0%, 25.1%)
CIE-LAB	lab(56.55, -9.13, -32.13)
CIE-LCH	lch(56.55, 33.40, 254.14°)
OKLab	oklab(62.12% -0.0559 -0.0904)
OKLCH	oklch(62.12% 0.106 238.2)
XYZ	xyz(21.2727, 24.4610, 52.8805)
Luminance	0.2446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FBF #BF6F3F

analogous

#3FBFAF #3F8FBF #3F4FBF

triadic

#3F8FBF #BF3F8F #8FBF3F

tetradic

#3F8FBF #AF3FBF #BF6F3F #4FBF3F

square

#3F8FBF #AF3FBF #BF6F3F #4FBF3F

split-complementary

#3F8FBF #BF3F4F #BFAF3F

monochromatic

#214A63 #306D91 #3F8FBF #6DAACF #9BC5DE

Accessibility & contrast

On white

3.56

#3F8FBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#3F8FBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FBF

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FBF	#FFFFFF	#000000	##000000
##3F8FBF	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798FC1

Deuteranopia (green-blind)

#6782BE

Tritanopia (blue-blind)

#009B9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3f8fbf;
/* rgb */ color: rgb(63, 143, 191);
/* oklch */ color: oklch(62.1% 0.106 238.2);

Tailwind

colors: {
  custom: {
    50: '#82afd2',
    500: '#3f8fbf',
    950: '#000000',
  },
}

SCSS

$custom: #3f8fbf;
$custom-light: #82afd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8fbf",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 191
  },
  "hsl": {
    "h": 202.5,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.62118,
    "c": 0.10627,
    "h": 238.2
  },
  "luminance": 0.24463
}

Semantic roles & 50–950 ramp

primary

#3F8FBF

secondary

#CAA690

accent

#824EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #3F8FBF

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

Preview Lab → · Contrast checker → · Palette generator →