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Recognised as Colour

#104B63

  • #104B63
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#104B63 is a cyan with RGB values 16, 75, 99 and HSL 197°, 72%, 23%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#104B63#104B63
HEX#104B63
RGBrgb(16, 75, 99)
RGB (0–1)0.0627, 0.2941, 0.3882
RGB percentages6.3%, 29.4%, 38.8%
HSLhsl(197.3, 72.2%, 22.5%)
HSV / HSBhsv(197.3, 83.8%, 38.8%)
CMYK83.8%, 24.2%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,067,875
CSS custom property--colour: #104B63;

Brightness & contrast

Relative luminance0.06043WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.51:1
Contrast with white9.51:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#EFB49C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F4A64no red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#344263no green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#005253no blue cones; rare, and affects men and women equally; ΔE 17.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.51:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15.8Slate grey · ΔE 25.8Dim grey · ΔE 26Steel blue · ΔE 26.8Light slate grey · ΔE 28.5Teal · ΔE 29.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.84, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#632810
Analogous#106351, #102263
Triadic#63104B, #4B6310
Split complementary#631022, #635210
Tetradic#511063, #632810, #226310

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5BBDE4
Lighter +30%#2FABDD
Lighter +20%#1E8EBB
Lighter +10%#176C8F
Darker −10%#092A37
Darker −20%#02080B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#025171
Less saturated −25%#1E4555

Channel breakdown

R16
G75
B99
Red16 (6.3%)
Green75 (29.4%)
Blue99 (38.8%)
Hue197.35°
Saturation (HSL)72.17%
Lightness22.55%
Dominant channelBlue
Hex per channelR 10 · G 4B · B 63

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Every value on this page was computed from “104b63” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.