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Colour

#001687

  • #001687
  • Blue
  • Dark
  • Nearest: Navy

#001687 is a blue with RGB values 0, 22, 135 and HSL 230°, 100%, 26%. It is a dark colour, so white text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#001687#001687
HEX#001687
RGBrgb(0, 22, 135)
RGB (0–1)0, 0.0863, 0.5294
RGB percentages0%, 8.6%, 52.9%
HSLhsl(230.2, 100%, 26.5%)
HSV / HSBhsv(230.2, 100%, 52.9%)
CMYK100%, 83.7%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,767
CSS custom property--colour: #001687;

Brightness & contrast

Relative luminance0.02323WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.34:1
Contrast with white14.34:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#FFE978

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00318Ano red cones; affects about 1% of men; ΔE 19.8 from the original
Deuteranopia#002385no green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#003B4Fno blue cones; rare, and affects men and women equally; ΔE 67.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.34:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Navy · ΔE 8.6Dark blue · ΔE 12.2Indigo · ΔE 14.8Midnight blue · ΔE 15.4Rebecca purple · ΔE 22Dark slateblue · ΔE 28.3
Nearest named CSS colourNavy (#000080)ΔE 8.63, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#877100
Analogous#005A87, #2D0087
Triadic#870016, #168700
Split complementary#872E00, #598700
Tetradic#87005A, #877100, #00872E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5470FF
Lighter +30%#2145FF
Lighter +20%#0027ED
Lighter +10%#001EBA
Darker −10%#000E54
Darker −20%#000521
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001687
Less saturated −25%#112176

Channel breakdown

R0
G22
B135
Red0 (0%)
Green22 (8.6%)
Blue135 (52.9%)
Hue230.22°
Saturation (HSL)100%
Lightness26.47%
Dominant channelBlue
Hex per channelR 00 · G 16 · B 87

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Every value on this page was computed from “hex 001687” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.