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Recognised as Colour

#030B61

  • #030B61
  • Blue
  • Dark
  • Nearest: Midnight blue

#030B61 is a blue with RGB values 3, 11, 97 and HSL 235°, 94%, 20%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#030B61#030B61
HEX#030B61
RGBrgb(3, 11, 97)
RGB (0–1)0.0118, 0.0431, 0.3804
RGB percentages1.2%, 4.3%, 38%
HSLhsl(234.9, 94%, 19.6%)
HSV / HSBhsv(234.9, 96.9%, 38%)
CMYK96.9%, 88.7%, 0%, 62%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer199,521
CSS custom property--colour: #030B61;

Brightness & contrast

Relative luminance0.01122WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.15:1
Contrast with white17.15:1WCAG normal text: AAA
Contrast with black1.22:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#FCF49E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002063no red cones; affects about 1% of men; ΔE 16 from the original
Deuteranopia#001660no green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#002737no blue cones; rare, and affects men and women equally; ΔE 53 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text17.15:1WCAG large text: AAA
Contrast with black, large text1.22:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 6Navy · ΔE 21.2Indigo · ΔE 21.8Dark slateblue · ΔE 23.2Rebecca purple · ΔE 25.1Dark blue · ΔE 26.4
Nearest named CSS colourMidnight blue (#191970)ΔE 6.03, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#615903
Analogous#033A61, #2A0361
Triadic#61030B, #0B6103
Split complementary#612A03, #3A6103
Tetradic#61033A, #615903, #03612A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3748F9
Lighter +30%#081CF5
Lighter +20%#0616C4
Lighter +10%#051192
Darker −10%#010530
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000964
Less saturated −25%#101555

Channel breakdown

R3
G11
B97
Red3 (1.2%)
Green11 (4.3%)
Blue97 (38%)
Hue234.89°
Saturation (HSL)94%
Lightness19.61%
Dominant channelBlue
Hex per channelR 03 · G 0B · B 61

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Every value on this page was computed from “030b61” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.