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Recognised as Colour

#10145A

  • #10145A
  • Blue
  • Dark
  • Nearest: Midnight blue

#10145A is a blue with RGB values 16, 20, 90 and HSL 237°, 70%, 21%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#10145A#10145A
HEX#10145A
RGBrgb(16, 20, 90)
RGB (0–1)0.0627, 0.0784, 0.3529
RGB percentages6.3%, 7.8%, 35.3%
HSLhsl(236.8, 69.8%, 20.8%)
HSV / HSBhsv(236.8, 82.2%, 35.3%)
CMYK82.2%, 77.8%, 0%, 64.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,053,786
CSS custom property--colour: #10145A;

Brightness & contrast

Relative luminance0.01349WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.54:1
Contrast with white16.54:1WCAG normal text: AAA
Contrast with black1.27:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#EFEBA5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00225Cno red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#001B59no green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#002835no blue cones; rare, and affects men and women equally; ΔE 45 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.54:1WCAG large text: AAA
Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.5Dark slateblue · ΔE 19.2Rebecca purple · ΔE 27.8Indigo · ΔE 29.6Navy · ΔE 31.4Dark blue · ΔE 36.4
Nearest named CSS colourMidnight blue (#191970)ΔE 10.47, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5A5610
Analogous#10395A, #31105A
Triadic#5A1014, #145A10
Split complementary#5A3110, #395A10
Tetradic#5A1039, #5A5610, #105A31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#555DE1
Lighter +30%#2A33D9
Lighter +20%#1F27B1
Lighter +10%#181E85
Darker −10%#080A2F
Darker −20%#010103
Darker −30%#000000
Darker −40%#000000
More saturated +25%#030867
Less saturated −25%#1D204D

Channel breakdown

R16
G20
B90
Red16 (6.3%)
Green20 (7.8%)
Blue90 (35.3%)
Hue236.76°
Saturation (HSL)69.81%
Lightness20.78%
Dominant channelBlue
Hex per channelR 10 · G 14 · B 5A

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Every value on this page was computed from “10145a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.