Nerdulator> put something in

Recognised as Colour

#3F6863

  • #3F6863
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#3F6863 is a cyan with RGB values 63, 104, 99 and HSL 173°, 25%, 33%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3F6863#3F6863
HEX#3F6863
RGBrgb(63, 104, 99)
RGB (0–1)0.2471, 0.4078, 0.3882
RGB percentages24.7%, 40.8%, 38.8%
HSLhsl(172.7, 24.6%, 32.7%)
HSV / HSBhsv(172.7, 39.4%, 40.8%)
CMYK39.4%, 0%, 4.8%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,155,491
CSS custom property--colour: #3F6863;

Brightness & contrast

Relative luminance0.11858WCAG 2.x, 0 is black and 1 is white
Perceived brightness93 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.23:1
Contrast with white6.23:1WCAG normal text: AA
Contrast with black3.37:1WCAG normal text: Fail
Greyscale equivalent#5F5F5F
Inverted#C0979C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#646463no red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#5D5E64no green cones; the most common form, about 1% of men; ΔE 16.7 from the original
Tritanopia#306A66no blue cones; rare, and affects men and women equally; ΔE 4.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.23:1WCAG large text: AAA
Contrast with black, large text3.37:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 10.7Dim grey · ΔE 16.1Teal · ΔE 16.5Slate grey · ΔE 20Dark cyan · ΔE 20.1Gray · ΔE 20.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.68, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#683F44
Analogous#3F684E, #3F5868
Triadic#633F68, #68633F
Split complementary#683F58, #684E3F
Tetradic#4F3F68, #683F44, #58683F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8CBC6
Lighter +30%#89B7B2
Lighter +20%#69A49D
Lighter +10%#528881
Darker −10%#2C4845
Darker −20%#192827
Darker −30%#050908
Darker −40%#000000
More saturated +25%#2A7D73
Less saturated −25%#535353

Channel breakdown

R63
G104
B99
Red63 (24.7%)
Green104 (40.8%)
Blue99 (38.8%)
Hue172.68°
Saturation (HSL)24.55%
Lightness32.75%
Dominant channelGreen
Hex per channelR 3F · G 68 · B 63

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “3f6863” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.