#3F8CC0#3F8CC0

#3F8CC0 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.5% C 0.109 H 241.3°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F8CC0
RGB	rgb(63, 140, 192)
HSL	hsl(204, 51%, 50%)
HSV	hsv(204, 67%, 75%)
CMYK	cmyk(67.2%, 27.1%, 0%, 24.7%)
CIE-LAB	lab(55.70, -7.08, -34.01)
CIE-LCH	lch(55.70, 34.74, 258.24°)
OKLab	oklab(61.46% -0.0525 -0.0958)
OKLCH	oklch(61.46% 0.109 241.3)
XYZ	xyz(20.9388, 23.6165, 53.3139)
Luminance	0.2362 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8CC0 #C0733F

analogous

#3FC0B3 #3F8CC0 #3F4CC0

triadic

#3F8CC0 #C03F8C #8CC03F

tetradic

#3F8CC0 #B33FC0 #C0733F #4CC03F

square

#3F8CC0 #B33FC0 #C0733F #4CC03F

split-complementary

#3F8CC0 #C03F4C #C0B33F

monochromatic

#214964 #306A92 #3F8CC0 #6DA8CF #9BC3DE

Accessibility & contrast

On white

3.67

#3F8CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#3F8CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CC0

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8CC0	#FFFFFF	#000000	##000000
##3F8CC0	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748CC2

Deuteranopia (green-blind)

#6380BF

Tritanopia (blue-blind)

#00999E

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8cc0;
/* rgb */ color: rgb(63, 140, 192);
/* oklch */ color: oklch(61.5% 0.109 241.3);

Tailwind

colors: {
  custom: {
    50: '#82add3',
    500: '#3f8cc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f8cc0;
$custom-light: #82add3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8cc0",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 192
  },
  "hsl": {
    "h": 204.186,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.61463,
    "c": 0.10929,
    "h": 241.3
  },
  "luminance": 0.23619
}

Semantic roles & 50–950 ramp

primary

#3F8CC0

secondary

#CAA891

accent

#864EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #3F8CC0

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

Preview Lab → · Contrast checker → · Palette generator →