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Recognised as Colour

#004687

  • #004687
  • Blue
  • Dark
  • Nearest: Dark slateblue

#004687 is a blue with RGB values 0, 70, 135 and HSL 209°, 100%, 26%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#004687#004687
HEX#004687
RGBrgb(0, 70, 135)
RGB (0–1)0, 0.2745, 0.5294
RGB percentages0%, 27.5%, 52.9%
HSLhsl(208.9, 100%, 26.5%)
HSV / HSBhsv(208.9, 100%, 52.9%)
CMYK100%, 48.1%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer18,055
CSS custom property--colour: #004687;

Brightness & contrast

Relative luminance0.0613WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.43:1
Contrast with white9.43:1WCAG normal text: AAA
Contrast with black2.23:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#FFB978

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#214C89no red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#004186no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#005660no blue cones; rare, and affects men and women equally; ΔE 39.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.43:1WCAG large text: AAA
Contrast with black, large text2.23:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.1Steel blue · ΔE 27.4Midnight blue · ΔE 28.6Cornflower blue · ΔE 33.1Royal blue · ΔE 35Rebecca purple · ΔE 35.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#874100
Analogous#008785, #000287
Triadic#870046, #468700
Split complementary#870002, #878500
Tetradic#850087, #874100, #028700

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#54ADFF
Lighter +30%#2194FF
Lighter +20%#007BED
Lighter +10%#0060BA
Darker −10%#002C54
Darker −20%#001121
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004687
Less saturated −25%#114576

Channel breakdown

R0
G70
B135
Red0 (0%)
Green70 (27.5%)
Blue135 (52.9%)
Hue208.89°
Saturation (HSL)100%
Lightness26.47%
Dominant channelBlue
Hex per channelR 00 · G 46 · B 87

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Every value on this page was computed from “hex 004687” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.