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Recognised as Colour

#030511

  • #030511
  • Blue
  • Dark
  • Nearest: Black

#030511 is a blue with RGB values 3, 5, 17 and HSL 231°, 70%, 4%. It is a dark colour, so white text on it reaches 20.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#030511#030511
HEX#030511
RGBrgb(3, 5, 17)
RGB (0–1)0.0118, 0.0196, 0.0667
RGB percentages1.2%, 2%, 6.7%
HSLhsl(231.4, 70%, 3.9%)
HSV / HSBhsv(231.4, 82.4%, 6.7%)
CMYK82.4%, 70.6%, 0%, 93.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer197,905
CSS custom property--colour: #030511;

Brightness & contrast

Relative luminance0.00168WCAG 2.x, 0 is black and 1 is white
Perceived brightness7.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.32:1
Contrast with white20.32:1WCAG normal text: AAA
Contrast with black1.03:1WCAG normal text: Fail
Greyscale equivalent#050505
Inverted#FCFAEE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#020611no red cones; affects about 1% of men; ΔE 0.7 from the original
Deuteranopia#010511no green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#000709no blue cones; rare, and affects men and women equally; ΔE 4.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.32:1WCAG large text: AAA
Contrast with black, large text1.03:1WCAG large text: Fail

Named colours

Black · ΔE 5.7Dark slate grey · ΔE 32.5Dim grey · ΔE 43.2Slate grey · ΔE 51.7Gray · ΔE 52.3Dark slateblue · ΔE 53.1
Nearest named CSS colourBlack (#000000)ΔE 5.66, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#110F03
Analogous#030C11, #080311
Triadic#110305, #051103
Split complementary#110803, #0C1103
Tetradic#11030C, #110F03, #031108

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2238BE
Lighter +30%#1A2B93
Lighter +20%#121E68
Lighter +10%#0B123C
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#010314
Less saturated −25%#05070F

Channel breakdown

R3
G5
B17
Red3 (1.2%)
Green5 (2%)
Blue17 (6.7%)
Hue231.43°
Saturation (HSL)70%
Lightness3.92%
Dominant channelBlue
Hex per channelR 03 · G 05 · B 11

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Every value on this page was computed from “hex 030511” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.