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Recognised as Colour

#000187

  • #000187
  • Blue
  • Dark
  • Nearest: Dark blue

#000187 is a blue with RGB values 0, 1, 135 and HSL 240°, 100%, 26%. It is a dark colour, so white text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#000187#000187
HEX#000187
RGBrgb(0, 1, 135)
RGB (0–1)0, 0.0039, 0.5294
RGB percentages0%, 0.4%, 52.9%
HSLhsl(239.6, 100%, 26.5%)
HSV / HSBhsv(239.6, 100%, 52.9%)
CMYK100%, 99.3%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer391
CSS custom property--colour: #000187;

Brightness & contrast

Relative luminance0.01771WCAG 2.x, 0 is black and 1 is white
Perceived brightness45.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.51:1
Contrast with white15.51:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#0A0A0A
Inverted#FFFE78

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002B8Ano red cones; affects about 1% of men; ΔE 24.9 from the original
Deuteranopia#001C85no green cones; the most common form, about 1% of men; ΔE 15.3 from the original
Tritanopia#00354Dno blue cones; rare, and affects men and women equally; ΔE 73 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.51:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Dark blue · ΔE 2.3Navy · ΔE 3Indigo · ΔE 15.3Midnight blue · ΔE 24.6Rebecca purple · ΔE 27.9Medium blue · ΔE 32.3
Nearest named CSS colourDark blue (#00008B)ΔE 2.25, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#878600
Analogous#004587, #420087
Triadic#870001, #018700
Split complementary#874200, #458700
Tetradic#870045, #878600, #008742

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5455FF
Lighter +30%#2123FF
Lighter +20%#0002ED
Lighter +10%#0001BA
Darker −10%#000154
Darker −20%#000021
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000187
Less saturated −25%#111276

Channel breakdown

R0
G1
B135
Red0 (0%)
Green1 (0.4%)
Blue135 (52.9%)
Hue239.56°
Saturation (HSL)100%
Lightness26.47%
Dominant channelBlue
Hex per channelR 00 · G 01 · B 87

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Every value on this page was computed from “hex 000187” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.