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Recognised as Colour

#16387D

  • #16387D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#16387D is a blue with RGB values 22, 56, 125 and HSL 220°, 70%, 29%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#16387D#16387D
HEX#16387D
RGBrgb(22, 56, 125)
RGB (0–1)0.0863, 0.2196, 0.4902
RGB percentages8.6%, 22%, 49%
HSLhsl(220.2, 70.1%, 28.8%)
HSV / HSBhsv(220.2, 82.4%, 49%)
CMYK82.4%, 55.2%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,456,253
CSS custom property--colour: #16387D;

Brightness & contrast

Relative luminance0.0448WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.08:1
Contrast with white11.08:1WCAG normal text: AAA
Contrast with black1.9:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#E9C782

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#03417Fno red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#00377Cno green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#004954no blue cones; rare, and affects men and women equally; ΔE 43.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.08:1WCAG large text: AAA
Contrast with black, large text1.9:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.3Midnight blue · ΔE 20.2Rebecca purple · ΔE 29.1Slate blue · ΔE 32.7Royal blue · ΔE 33.9Steel blue · ΔE 35
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D5B16
Analogous#166C7D, #27167D
Triadic#7D1638, #387D16
Split complementary#7D2716, #6C7D16
Tetradic#7D166C, #7D5B16, #167D27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#789DE7
Lighter +30%#4C7DE0
Lighter +20%#255FD4
Lighter +10%#1E4BA8
Darker −10%#0E2552
Darker −20%#071126
Darker −30%#000000
Darker −40%#000000
More saturated +25%#04328F
Less saturated −25%#283E6B

Channel breakdown

R22
G56
B125
Red22 (8.6%)
Green56 (22%)
Blue125 (49%)
Hue220.19°
Saturation (HSL)70.07%
Lightness28.82%
Dominant channelBlue
Hex per channelR 16 · G 38 · B 7D

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Every value on this page was computed from “16387d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.