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Recognised as Colour

#030F66

  • #030F66
  • Blue
  • Dark
  • Nearest: Midnight blue

#030F66 is a blue with RGB values 3, 15, 102 and HSL 233°, 94%, 21%. It is a dark colour, so white text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#030F66#030F66
HEX#030F66
RGBrgb(3, 15, 102)
RGB (0–1)0.0118, 0.0588, 0.4
RGB percentages1.2%, 5.9%, 40%
HSLhsl(232.7, 94.3%, 20.6%)
HSV / HSBhsv(232.7, 97.1%, 40%)
CMYK97.1%, 85.3%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer200,550
CSS custom property--colour: #030F66;

Brightness & contrast

Relative luminance0.0132WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.61:1
Contrast with white16.61:1WCAG normal text: AAA
Contrast with black1.26:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#FCF099

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002368no red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#001965no green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#002B3Bno blue cones; rare, and affects men and women equally; ΔE 54 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text16.61:1WCAG large text: AAA
Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 4.6Navy · ΔE 20.7Indigo · ΔE 21.3Dark slateblue · ΔE 22.1Rebecca purple · ΔE 24Dark blue · ΔE 25.7
Nearest named CSS colourMidnight blue (#191970)ΔE 4.61, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#665A03
Analogous#034066, #290366
Triadic#66030F, #0F6603
Split complementary#662903, #406603
Tetradic#660341, #665A03, #036629

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3C53F9
Lighter +30%#0A27F8
Lighter +20%#061EC9
Lighter +10%#041698
Darker −10%#020834
Darker −20%#000003
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000D69
Less saturated −25%#101959

Channel breakdown

R3
G15
B102
Red3 (1.2%)
Green15 (5.9%)
Blue102 (40%)
Hue232.73°
Saturation (HSL)94.29%
Lightness20.59%
Dominant channelBlue
Hex per channelR 03 · G 0F · B 66

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Every value on this page was computed from “030f66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.