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Recognised as Colour

#001955

  • #001955
  • Blue
  • Dark
  • Nearest: Midnight blue

#001955 is a blue with RGB values 0, 25, 85 and HSL 222°, 100%, 17%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#001955#001955
HEX#001955
RGBrgb(0, 25, 85)
RGB (0–1)0, 0.098, 0.3333
RGB percentages0%, 9.8%, 33.3%
HSLhsl(222.4, 100%, 16.7%)
HSV / HSBhsv(222.4, 100%, 33.3%)
CMYK100%, 70.6%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,485
CSS custom property--colour: #001955;

Brightness & contrast

Relative luminance0.01351WCAG 2.x, 0 is black and 1 is white
Perceived brightness34.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.53:1
Contrast with white16.53:1WCAG normal text: AAA
Contrast with black1.27:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#FFE6AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002357no red cones; affects about 1% of men; ΔE 8.5 from the original
Deuteranopia#001B54no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#002934no blue cones; rare, and affects men and women equally; ΔE 39.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.53:1WCAG large text: AAA
Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 17.5Dark slateblue · ΔE 20.9Rebecca purple · ΔE 33.3Indigo · ΔE 37.2Navy · ΔE 38.9Slate blue · ΔE 42.5
Nearest named CSS colourMidnight blue (#191970)ΔE 17.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#553C00
Analogous#004355, #120055
Triadic#550019, #195500
Split complementary#551200, #435500
Tetradic#550043, #553C00, #005512

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2263FF
Lighter +30%#0046EE
Lighter +20%#0037BB
Lighter +10%#002888
Darker −10%#000A22
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001955
Less saturated −25%#0B1D4A

Channel breakdown

R0
G25
B85
Red0 (0%)
Green25 (9.8%)
Blue85 (33.3%)
Hue222.35°
Saturation (HSL)100%
Lightness16.67%
Dominant channelBlue
Hex per channelR 00 · G 19 · B 55

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Every value on this page was computed from “hex 001955” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.