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Recognised as Colour

#0003DB

  • #0003DB
  • Blue
  • Dark
  • Nearest: Medium blue

#0003DB is a blue with RGB values 0, 3, 219 and HSL 239°, 100%, 43%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0003DB#0003DB
HEX#0003DB
RGBrgb(0, 3, 219)
RGB (0–1)0, 0.0118, 0.8588
RGB percentages0%, 1.2%, 85.9%
HSLhsl(239.2, 100%, 42.9%)
HSV / HSBhsv(239.2, 100%, 85.9%)
CMYK100%, 98.6%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer987
CSS custom property--colour: #0003DB;

Brightness & contrast

Relative luminance0.0518WCAG 2.x, 0 is black and 1 is white
Perceived brightness74 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.31:1
Contrast with white10.31:1WCAG normal text: AAA
Contrast with black2.04:1WCAG normal text: Fail
Greyscale equivalent#121212
Inverted#FFFC24

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004BE0no red cones; affects about 1% of men; ΔE 35.3 from the original
Deuteranopia#0034D8no green cones; the most common form, about 1% of men; ΔE 22.1 from the original
Tritanopia#005B80no blue cones; rare, and affects men and women equally; ΔE 104.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.31:1WCAG large text: AAA
Contrast with black, large text2.04:1WCAG large text: Fail

Named colours

Medium blue · ΔE 5.7Blue · ΔE 15.9Blue violet · ΔE 25.8Dark violet · ΔE 29Dark blue · ΔE 35.7Dark orchid · ΔE 39.5
Nearest named CSS colourMedium blue (#0000CD)ΔE 5.67, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBD800
Analogous#0070DB, #6B00DB
Triadic#DB0003, #03DB00
Split complementary#DB6B00, #70DB00
Tetradic#DB0070, #DBD800, #00DB6B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8A9FF
Lighter +30%#7577FF
Lighter +20%#4245FF
Lighter +10%#0F12FF
Darker −10%#0002A8
Darker −20%#000275
Darker −30%#000142
Darker −40%#00000F
More saturated +25%#0003DB
Less saturated −25%#1B1EC0

Channel breakdown

R0
G3
B219
Red0 (0%)
Green3 (1.2%)
Blue219 (85.9%)
Hue239.18°
Saturation (HSL)100%
Lightness42.94%
Dominant channelBlue
Hex per channelR 00 · G 03 · B DB

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Every value on this page was computed from “0003db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.