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Recognised as Colour

#001DDF

  • #001DDF
  • Blue
  • Dark
  • Nearest: Medium blue

#001DDF is a blue with RGB values 0, 29, 223 and HSL 232°, 100%, 44%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#001DDF#001DDF
HEX#001DDF
RGBrgb(0, 29, 223)
RGB (0–1)0, 0.1137, 0.8745
RGB percentages0%, 11.4%, 87.5%
HSLhsl(232.2, 100%, 43.7%)
HSV / HSBhsv(232.2, 100%, 87.5%)
CMYK100%, 87%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,647
CSS custom property--colour: #001DDF;

Brightness & contrast

Relative luminance0.06206WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.37:1
Contrast with white9.37:1WCAG normal text: AAA
Contrast with black2.24:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#FFE220

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0051E4no red cones; affects about 1% of men; ΔE 31.7 from the original
Deuteranopia#003BDCno green cones; the most common form, about 1% of men; ΔE 18.8 from the original
Tritanopia#006185no blue cones; rare, and affects men and women equally; ΔE 100.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.37:1WCAG large text: AAA
Contrast with black, large text2.24:1WCAG large text: Fail

Named colours

Medium blue · ΔE 6Blue · ΔE 20.5Blue violet · ΔE 23.1Dark violet · ΔE 27.8Dark blue · ΔE 32.5Dark orchid · ΔE 36.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 6, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFC200
Analogous#008DDF, #5200DF
Triadic#DF001D, #1DDF00
Split complementary#DF5200, #8DDF00
Tetradic#DF008D, #DFC200, #00DF52

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACB7FF
Lighter +30%#798AFF
Lighter +20%#465EFF
Lighter +10%#1332FF
Darker −10%#0016AC
Darker −20%#001079
Darker −30%#000946
Darker −40%#000213
More saturated +25%#001DDF
Less saturated −25%#1C32C3

Channel breakdown

R0
G29
B223
Red0 (0%)
Green29 (11.4%)
Blue223 (87.5%)
Hue232.2°
Saturation (HSL)100%
Lightness43.73%
Dominant channelBlue
Hex per channelR 00 · G 1D · B DF

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