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Recognised as Colour

#0102DA

  • #0102DA
  • Blue
  • Dark
  • Nearest: Medium blue

#0102DA is a blue with RGB values 1, 2, 218 and HSL 240°, 99%, 43%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0102DA#0102DA
HEX#0102DA
RGBrgb(1, 2, 218)
RGB (0–1)0.0039, 0.0078, 0.8549
RGB percentages0.4%, 0.8%, 85.5%
HSLhsl(239.7, 99.1%, 42.9%)
HSV / HSBhsv(239.7, 99.5%, 85.5%)
CMYK99.5%, 99.1%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer66,266
CSS custom property--colour: #0102DA;

Brightness & contrast

Relative luminance0.05112WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.38:1
Contrast with white10.38:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#FEFD25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004BDFno red cones; affects about 1% of men; ΔE 35.7 from the original
Deuteranopia#0034D7no green cones; the most common form, about 1% of men; ΔE 22.4 from the original
Tritanopia#005B7Fno blue cones; rare, and affects men and women equally; ΔE 105.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.38:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Medium blue · ΔE 5.4Blue · ΔE 16.2Blue violet · ΔE 25.7Dark violet · ΔE 28.9Dark blue · ΔE 35.5Dark orchid · ΔE 39.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 5.37, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAD901
Analogous#016EDA, #6D01DA
Triadic#DA0102, #02DA01
Split complementary#DA6D01, #6EDA01
Tetradic#DA016E, #DAD901, #01DA6D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8A9FF
Lighter +30%#7676FE
Lighter +20%#4344FE
Lighter +10%#1011FE
Darker −10%#0102A7
Darker −20%#010174
Darker −30%#000142
Darker −40%#00000F
More saturated +25%#0001DB
Less saturated −25%#1C1DBF

Channel breakdown

R1
G2
B218
Red1 (0.4%)
Green2 (0.8%)
Blue218 (85.5%)
Hue239.72°
Saturation (HSL)99.09%
Lightness42.94%
Dominant channelBlue
Hex per channelR 01 · G 02 · B DA

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Every value on this page was computed from “0102da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.