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Recognised as Colour

#10155C

  • #10155C
  • Blue
  • Dark
  • Nearest: Midnight blue

#10155C is a blue with RGB values 16, 21, 92 and HSL 236°, 70%, 21%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#10155C#10155C
HEX#10155C
RGBrgb(16, 21, 92)
RGB (0–1)0.0627, 0.0824, 0.3608
RGB percentages6.3%, 8.2%, 36.1%
HSLhsl(236.1, 70.4%, 21.2%)
HSV / HSBhsv(236.1, 82.6%, 36.1%)
CMYK82.6%, 77.2%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,054,044
CSS custom property--colour: #10155C;

Brightness & contrast

Relative luminance0.01419WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.36:1
Contrast with white16.36:1WCAG normal text: AAA
Contrast with black1.28:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#EFEAA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00235Eno red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#001C5Bno green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#002937no blue cones; rare, and affects men and women equally; ΔE 44.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.36:1WCAG large text: AAA
Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.8Dark slateblue · ΔE 18.8Rebecca purple · ΔE 27.2Indigo · ΔE 29.1Navy · ΔE 30.9Dark blue · ΔE 35.9
Nearest named CSS colourMidnight blue (#191970)ΔE 9.82, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C5710
Analogous#103B5C, #31105C
Triadic#5C1015, #155C10
Split complementary#5C3110, #3B5C10
Tetradic#5C103B, #5C5710, #105C31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#565FE2
Lighter +30%#2B36DA
Lighter +20%#1F29B3
Lighter +10%#181F87
Darker −10%#080B31
Darker −20%#010105
Darker −30%#000000
Darker −40%#000000
More saturated +25%#02096A
Less saturated −25%#1D214F

Channel breakdown

R16
G21
B92
Red16 (6.3%)
Green21 (8.2%)
Blue92 (36.1%)
Hue236.05°
Saturation (HSL)70.37%
Lightness21.18%
Dominant channelBlue
Hex per channelR 10 · G 15 · B 5C

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Every value on this page was computed from “10155c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.