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Recognised as Colour

#1303DF

  • #1303DF
  • Blue
  • Dark
  • Nearest: Medium blue

#1303DF is a blue with RGB values 19, 3, 223 and HSL 244°, 97%, 44%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1303DF#1303DF
HEX#1303DF
RGBrgb(19, 3, 223)
RGB (0–1)0.0745, 0.0118, 0.8745
RGB percentages7.5%, 1.2%, 87.5%
HSLhsl(244.4, 97.3%, 44.3%)
HSV / HSBhsv(244.4, 98.7%, 87.5%)
CMYK91.5%, 98.7%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,246,175
CSS custom property--colour: #1303DF;

Brightness & contrast

Relative luminance0.05531WCAG 2.x, 0 is black and 1 is white
Perceived brightness76 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.97:1
Contrast with white9.97:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#161616
Inverted#ECFC20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DE4no red cones; affects about 1% of men; ΔE 35.9 from the original
Deuteranopia#0036DCno green cones; the most common form, about 1% of men; ΔE 22.7 from the original
Tritanopia#005D82no blue cones; rare, and affects men and women equally; ΔE 106.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.97:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7.2Blue · ΔE 14.5Blue violet · ΔE 25.9Dark violet · ΔE 29Dark blue · ΔE 37.2Dark orchid · ΔE 39.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 7.17, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CFDF03
Analogous#0361DF, #8103DF
Triadic#DF1303, #03DF13
Split complementary#DF8103, #61DF03
Tetradic#DF0361, #CFDF03, #03DF81

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6B0FE
Lighter +30%#877EFD
Lighter +20%#584BFD
Lighter +10%#2A19FC
Darker −10%#0F02AD
Darker −20%#0A027A
Darker −30%#060148
Darker −40%#020016
More saturated +25%#1000E2
Less saturated −25%#2B1FC3

Channel breakdown

R19
G3
B223
Red19 (7.5%)
Green3 (1.2%)
Blue223 (87.5%)
Hue244.36°
Saturation (HSL)97.35%
Lightness44.31%
Dominant channelBlue
Hex per channelR 13 · G 03 · B DF

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Every value on this page was computed from “1303df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.