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Colour

#0721DF

  • #0721DF
  • Blue
  • Dark
  • Nearest: Medium blue

#0721DF is a blue with RGB values 7, 33, 223 and HSL 233°, 94%, 45%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0721DF#0721DF
HEX#0721DF
RGBrgb(7, 33, 223)
RGB (0–1)0.0275, 0.1294, 0.8745
RGB percentages2.7%, 12.9%, 87.5%
HSLhsl(232.8, 93.9%, 45.1%)
HSV / HSBhsv(232.8, 96.9%, 87.5%)
CMYK96.9%, 85.2%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer467,423
CSS custom property--colour: #0721DF;

Brightness & contrast

Relative luminance0.06461WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.16:1
Contrast with white9.16:1WCAG normal text: AAA
Contrast with black2.29:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#F8DE20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052E4no red cones; affects about 1% of men; ΔE 30.6 from the original
Deuteranopia#003CDCno green cones; the most common form, about 1% of men; ΔE 17.7 from the original
Tritanopia#006285no blue cones; rare, and affects men and women equally; ΔE 99.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.16:1WCAG large text: AAA
Contrast with black, large text2.29:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7Blue · ΔE 22.2Blue violet · ΔE 22.4Dark violet · ΔE 27.4Dark blue · ΔE 31.4Dark orchid · ΔE 35
Nearest named CSS colourMedium blue (#0000CD)ΔE 6.99, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFC507
Analogous#078DDF, #5907DF
Triadic#DF0721, #21DF07
Split complementary#DF5907, #8DDF07
Tetradic#DF078D, #DFC507, #07DF59

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5BEFD
Lighter +30%#8492FB
Lighter +20%#5267FA
Lighter +10%#213BF8
Darker −10%#051AAE
Darker −20%#04127C
Darker −30%#020B4B
Darker −40%#010419
More saturated +25%#001CE6
Less saturated −25%#2437C2

Channel breakdown

R7
G33
B223
Red7 (2.7%)
Green33 (12.9%)
Blue223 (87.5%)
Hue232.78°
Saturation (HSL)93.91%
Lightness45.1%
Dominant channelBlue
Hex per channelR 07 · G 21 · B DF

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Every value on this page was computed from “0721df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.