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Recognised as Colour

#07288A

  • #07288A
  • Blue
  • Dark
  • Nearest: Midnight blue

#07288A is a blue with RGB values 7, 40, 138 and HSL 225°, 90%, 28%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#07288A#07288A
HEX#07288A
RGBrgb(7, 40, 138)
RGB (0–1)0.0275, 0.1569, 0.5412
RGB percentages2.7%, 15.7%, 54.1%
HSLhsl(224.9, 90.3%, 28.4%)
HSV / HSBhsv(224.9, 94.9%, 54.1%)
CMYK94.9%, 71%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer469,130
CSS custom property--colour: #07288A;

Brightness & contrast

Relative luminance0.03398WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.5:1
Contrast with white12.5:1WCAG normal text: AAA
Contrast with black1.68:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#F8D775

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003A8Dno red cones; affects about 1% of men; ΔE 14.2 from the original
Deuteranopia#002E88no green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#004455no blue cones; rare, and affects men and women equally; ΔE 59.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.5:1WCAG large text: AAA
Contrast with black, large text1.68:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.2Dark slateblue · ΔE 17.9Rebecca purple · ΔE 19.2Navy · ΔE 20.5Indigo · ΔE 21.3Dark blue · ΔE 24.1
Nearest named CSS colourMidnight blue (#191970)ΔE 9.21, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A6907
Analogous#076A8A, #28078A
Triadic#8A0728, #288A07
Split complementary#8A2707, #6A8A07
Tetradic#8A0769, #8A6907, #078A27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#668AF7
Lighter +30%#3565F5
Lighter +20%#0C44EB
Lighter +10%#0936BB
Darker −10%#051A59
Darker −20%#020C29
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002591
Less saturated −25%#193178

Channel breakdown

R7
G40
B138
Red7 (2.7%)
Green40 (15.7%)
Blue138 (54.1%)
Hue224.89°
Saturation (HSL)90.34%
Lightness28.43%
Dominant channelBlue
Hex per channelR 07 · G 28 · B 8A

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Every value on this page was computed from “07288a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.