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Recognised as Colour

#007DFF

  • #007DFF
  • Blue
  • Dark
  • Nearest: Royal blue

#007DFF is a blue with RGB values 0, 125, 255 and HSL 211°, 100%, 50%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#007DFF#007DFF
HEX#007DFF
RGBrgb(0, 125, 255)
RGB (0–1)0, 0.4902, 1
RGB percentages0%, 49%, 100%
HSLhsl(210.6, 100%, 50%)
HSV / HSBhsv(210.6, 100%, 100%)
CMYK100%, 51%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer32,255
CSS custom property--colour: #007DFF;

Brightness & contrast

Relative luminance0.21887WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.38:1
Contrast with white3.91:1WCAG normal text: Fail
Contrast with black5.38:1WCAG normal text: AA
Greyscale equivalent#6C6C6C
Inverted#FF8200

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B8CFFno red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#0077FCno green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#009DB2no blue cones; rare, and affects men and women equally; ΔE 70.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.91:1WCAG large text: AA
Contrast with black, large text5.38:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.8Dodgerblue · ΔE 14.9Medium slateblue · ΔE 21.6Slate blue · ΔE 22.8Cornflower blue · ΔE 26.8Medium purple · ΔE 27.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF8200
Analogous#00FCFF, #0300FF
Triadic#FF007D, #7DFF00
Split complementary#FF0300, #FCFF00
Tetradic#FF00FC, #FF8200, #00FF03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCE5FF
Lighter +30%#99CBFF
Lighter +20%#66B1FF
Lighter +10%#3397FF
Darker −10%#0064CC
Darker −20%#004B99
Darker −30%#003266
Darker −40%#001933
More saturated +25%#007DFF
Less saturated −25%#207EDF

Channel breakdown

R0
G125
B255
Red0 (0%)
Green125 (49%)
Blue255 (100%)
Hue210.59°
Saturation (HSL)100%
Lightness50%
Dominant channelBlue
Hex per channelR 00 · G 7D · B FF

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Every value on this page was computed from “007dff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.