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Recognised as Colour

#10A3BB

  • #10A3BB
  • Cyan
  • Dark
  • Nearest: Cadetblue

#10A3BB is a cyan with RGB values 16, 163, 187 and HSL 188°, 84%, 40%. It is a dark colour, so black text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#10A3BB#10A3BB
HEX#10A3BB
RGBrgb(16, 163, 187)
RGB (0–1)0.0627, 0.6392, 0.7333
RGB percentages6.3%, 63.9%, 73.3%
HSLhsl(188.4, 84.2%, 39.8%)
HSV / HSBhsv(188.4, 91.4%, 73.3%)
CMYK91.4%, 12.8%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,090,491
CSS custom property--colour: #10A3BB;

Brightness & contrast

Relative luminance0.29892WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.98:1
Contrast with white3.01:1WCAG normal text: Fail
Contrast with black6.98:1WCAG normal text: AA
Greyscale equivalent#858585
Inverted#EF5C44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#919DBCno red cones; affects about 1% of men; ΔE 29.2 from the original
Deuteranopia#7D8EBBno green cones; the most common form, about 1% of men; ΔE 31 from the original
Tritanopia#00ACAAno blue cones; rare, and affects men and women equally; ΔE 16.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.01:1WCAG large text: AA
Contrast with black, large text6.98:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 16.1Dark cyan · ΔE 16.8Teal · ΔE 19.3Light seagreen · ΔE 20Sky blue · ΔE 20.9Dark turquoise · ΔE 21.5
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 16.1, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB2810
Analogous#10BB7E, #104EBB
Triadic#BB10A3, #A3BB10
Split complementary#BB104D, #BB7E10
Tetradic#7E10BB, #BB2810, #4DBB10

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0EBF7
Lighter +30%#71E1F3
Lighter +20%#42D7EF
Lighter +10%#14CCEA
Darker −10%#0C7A8C
Darker −20%#08515D
Darker −30%#04282E
Darker −40%#000000
More saturated +25%#00AFCB
Less saturated −25%#2991A2

Channel breakdown

R16
G163
B187
Red16 (6.3%)
Green163 (63.9%)
Blue187 (73.3%)
Hue188.42°
Saturation (HSL)84.24%
Lightness39.8%
Dominant channelBlue
Hex per channelR 10 · G A3 · B BB

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Every value on this page was computed from “10a3bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.