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Recognised as Colour

#001742

  • #001742
  • Blue
  • Dark
  • Nearest: Dark slateblue

#001742 is a blue with RGB values 0, 23, 66 and HSL 219°, 100%, 13%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#001742#001742
HEX#001742
RGBrgb(0, 23, 66)
RGB (0–1)0, 0.0902, 0.2588
RGB percentages0%, 9%, 25.9%
HSLhsl(219.1, 100%, 12.9%)
HSV / HSBhsv(219.1, 100%, 25.9%)
CMYK100%, 65.2%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,954
CSS custom property--colour: #001742;

Brightness & contrast

Relative luminance0.01006WCAG 2.x, 0 is black and 1 is white
Perceived brightness28.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.48:1
Contrast with white17.48:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#FFE8BD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D43no red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#001741no green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#002229no blue cones; rare, and affects men and women equally; ΔE 29.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.48:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 29Midnight blue · ΔE 29.2Black · ΔE 33.1Dark slate grey · ΔE 41.3Rebecca purple · ΔE 43.2Steel blue · ΔE 46.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 29.05, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#422B00
Analogous#003842, #0A0042
Triadic#420017, #174200
Split complementary#420A00, #384200
Tetradic#420038, #422B00, #00420A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0F63FF
Lighter +30%#004CDB
Lighter +20%#003BA8
Lighter +10%#002975
Darker −10%#00050F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001742
Less saturated −25%#08193A

Channel breakdown

R0
G23
B66
Red0 (0%)
Green23 (9%)
Blue66 (25.9%)
Hue219.09°
Saturation (HSL)100%
Lightness12.94%
Dominant channelBlue
Hex per channelR 00 · G 17 · B 42

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Every value on this page was computed from “hex 001742” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.