#3F8DC0#3F8DC0

#3F8DC0 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.7% C 0.109 H 240.5°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DC0
RGB	rgb(63, 141, 192)
HSL	hsl(204, 51%, 50%)
HSV	hsv(204, 67%, 75%)
CMYK	cmyk(67.2%, 26.6%, 0%, 24.7%)
CIE-LAB	lab(56.00, -7.65, -33.55)
CIE-LCH	lch(56.00, 34.41, 257.15°)
OKLab	oklab(61.7% -0.0535 -0.0945)
OKLCH	oklch(61.7% 0.109 240.5)
XYZ	xyz(21.0856, 23.9101, 53.3628)
Luminance	0.2391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DC0 #C0723F

analogous

#3FC0B2 #3F8DC0 #3F4DC0

triadic

#3F8DC0 #C03F8D #8DC03F

tetradic

#3F8DC0 #B23FC0 #C0723F #4DC03F

square

#3F8DC0 #B23FC0 #C0723F #4DC03F

split-complementary

#3F8DC0 #C03F4D #C0B23F

monochromatic

#214964 #306B92 #3F8DC0 #6DA8CF #9BC4DE

Accessibility & contrast

On white

3.63

#3F8DC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#3F8DC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DC0

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DC0	#FFFFFF	#000000	##000000
##3F8DC0	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768DC2

Deuteranopia (green-blind)

#6481BF

Tritanopia (blue-blind)

#009A9F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f8dc0;
/* rgb */ color: rgb(63, 141, 192);
/* oklch */ color: oklch(61.7% 0.109 240.5);

Tailwind

colors: {
  custom: {
    50: '#82aed3',
    500: '#3f8dc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f8dc0;
$custom-light: #82aed3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8dc0",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 192
  },
  "hsl": {
    "h": 203.721,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.61697,
    "c": 0.10861,
    "h": 240.5
  },
  "luminance": 0.23912
}

Semantic roles & 50–950 ramp

primary

#3F8DC0

secondary

#CAA791

accent

#854EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #3F8DC0

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

Preview Lab → · Contrast checker → · Palette generator →