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Recognised as Colour

#030BD3

  • #030BD3
  • Blue
  • Dark
  • Nearest: Medium blue

#030BD3 is a blue with RGB values 3, 11, 211 and HSL 238°, 97%, 42%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#030BD3#030BD3
HEX#030BD3
RGBrgb(3, 11, 211)
RGB (0–1)0.0118, 0.0431, 0.8275
RGB percentages1.2%, 4.3%, 82.7%
HSLhsl(237.7, 97.2%, 42%)
HSV / HSBhsv(237.7, 98.6%, 82.7%)
CMYK98.6%, 94.8%, 0%, 17.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer199,635
CSS custom property--colour: #030BD3;

Brightness & contrast

Relative luminance0.04962WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.54:1
Contrast with white10.54:1WCAG normal text: AAA
Contrast with black1.99:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#FCF42C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049D8no red cones; affects about 1% of men; ΔE 33.1 from the original
Deuteranopia#0033D0no green cones; the most common form, about 1% of men; ΔE 20.4 from the original
Tritanopia#00597Cno blue cones; rare, and affects men and women equally; ΔE 100.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.54:1WCAG large text: AAA
Contrast with black, large text1.99:1WCAG large text: Fail

Named colours

Medium blue · ΔE 1.9Blue · ΔE 20.9Blue violet · ΔE 23.6Dark violet · ΔE 27.3Dark blue · ΔE 30.9Navy · ΔE 36.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 1.93, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D3CB03
Analogous#0373D3, #6303D3
Triadic#D3030B, #0BD303
Split complementary#D36303, #73D303
Tetradic#D30373, #D3CB03, #03D363

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4A8FE
Lighter +30%#7277FD
Lighter +20%#4047FC
Lighter +10%#0D17FC
Darker −10%#0208A1
Darker −20%#02066E
Darker −30%#01033C
Darker −40%#00010A
More saturated +25%#0008D6
Less saturated −25%#1E24B8

Channel breakdown

R3
G11
B211
Red3 (1.2%)
Green11 (4.3%)
Blue211 (82.7%)
Hue237.69°
Saturation (HSL)97.2%
Lightness41.96%
Dominant channelBlue
Hex per channelR 03 · G 0B · B D3

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Every value on this page was computed from “030bd3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.