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Colour

#001F46

  • #001F46
  • Blue
  • Dark
  • Nearest: Dark slateblue

#001F46 is a blue with RGB values 0, 31, 70 and HSL 213°, 100%, 14%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#001F46#001F46
HEX#001F46
RGBrgb(0, 31, 70)
RGB (0–1)0, 0.1216, 0.2745
RGB percentages0%, 12.2%, 27.5%
HSLhsl(213.4, 100%, 13.7%)
HSV / HSBhsv(213.4, 100%, 27.5%)
CMYK100%, 55.7%, 0%, 72.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,006
CSS custom property--colour: #001F46;

Brightness & contrast

Relative luminance0.01422WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.35:1
Contrast with white16.35:1WCAG normal text: AAA
Contrast with black1.28:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#FFE0B9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#062347no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#001D45no green cones; the most common form, about 1% of men; ΔE 1.4 from the original
Tritanopia#00292Fno blue cones; rare, and affects men and women equally; ΔE 26.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.35:1WCAG large text: AAA
Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 30.5Black · ΔE 30.9Midnight blue · ΔE 33.4Dark slate grey · ΔE 35.8Steel blue · ΔE 42.1Dim grey · ΔE 43
Nearest named CSS colourDark slateblue (#483D8B)ΔE 30.47, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#462700
Analogous#004246, #040046
Triadic#46001F, #1F4600
Split complementary#460400, #424600
Tetradic#460042, #462700, #004604

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#137CFF
Lighter +30%#0063DF
Lighter +20%#004CAC
Lighter +10%#003679
Darker −10%#000813
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001F46
Less saturated −25%#09203D

Channel breakdown

R0
G31
B70
Red0 (0%)
Green31 (12.2%)
Blue70 (27.5%)
Hue213.43°
Saturation (HSL)100%
Lightness13.73%
Dominant channelBlue
Hex per channelR 00 · G 1F · B 46

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Every value on this page was computed from “001f46” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.