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Recognised as Colour

#1D79FD

  • #1D79FD
  • Blue
  • Dark
  • Nearest: Royal blue

#1D79FD is a blue with RGB values 29, 121, 253 and HSL 215°, 98%, 55%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1D79FD#1D79FD
HEX#1D79FD
RGBrgb(29, 121, 253)
RGB (0–1)0.1137, 0.4745, 0.9922
RGB percentages11.4%, 47.5%, 99.2%
HSLhsl(215.4, 98.2%, 55.3%)
HSV / HSBhsv(215.4, 88.5%, 99.2%)
CMYK88.5%, 52.2%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,931,773
CSS custom property--colour: #1D79FD;

Brightness & contrast

Relative luminance0.21028WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.21:1
Contrast with white4.03:1WCAG normal text: Fail
Contrast with black5.21:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#E28602

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0689FFno red cones; affects about 1% of men; ΔE 12.3 from the original
Deuteranopia#0075FAno green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#009AAFno blue cones; rare, and affects men and women equally; ΔE 72 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.03:1WCAG large text: AA
Contrast with black, large text5.21:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.4Dodgerblue · ΔE 17.5Medium slateblue · ΔE 19.2Slate blue · ΔE 21Medium purple · ΔE 26.3Cornflower blue · ΔE 28.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.44, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDA11D
Analogous#1DE9FD, #311DFD
Triadic#FD1D79, #79FD1D
Split complementary#FD311D, #E9FD1D
Tetradic#FD1DE9, #FDA11D, #1DFD31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7F1FF
Lighter +30%#B5D3FE
Lighter +20%#82B5FE
Lighter +10%#5097FD
Darker −10%#025FE5
Darker −20%#024AB2
Darker −30%#013580
Darker −40%#01204D
More saturated +25%#1B79FF
Less saturated −25%#3A7EE1

Channel breakdown

R29
G121
B253
Red29 (11.4%)
Green121 (47.5%)
Blue253 (99.2%)
Hue215.36°
Saturation (HSL)98.25%
Lightness55.29%
Dominant channelBlue
Hex per channelR 1D · G 79 · B FD

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Every value on this page was computed from “1d79fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.