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Colour

#0075BB

  • #0075BB
  • Blue
  • Dark
  • Nearest: Steel blue

#0075BB is a blue with RGB values 0, 117, 187 and HSL 202°, 100%, 37%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0075BB#0075BB
HEX#0075BB
RGBrgb(0, 117, 187)
RGB (0–1)0, 0.4588, 0.7333
RGB percentages0%, 45.9%, 73.3%
HSLhsl(202.5, 100%, 36.7%)
HSV / HSBhsv(202.5, 100%, 73.3%)
CMYK100%, 37.4%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer30,139
CSS custom property--colour: #0075BB;

Brightness & contrast

Relative luminance0.1631WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.93:1
Contrast with white4.93:1WCAG normal text: AA
Contrast with black4.26:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#FF8A44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5378BEno red cones; affects about 1% of men; ΔE 10.2 from the original
Deuteranopia#386ABAno green cones; the most common form, about 1% of men; ΔE 11.8 from the original
Tritanopia#00868Fno blue cones; rare, and affects men and women equally; ΔE 40.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.93:1WCAG large text: AAA
Contrast with black, large text4.26:1WCAG large text: AA

Named colours

Steel blue · ΔE 13.5Cornflower blue · ΔE 18.5Dodgerblue · ΔE 25Deep skyblue · ΔE 30.2Dark slateblue · ΔE 31.8Slate grey · ΔE 34.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB4600
Analogous#00BBA4, #0017BB
Triadic#BB0075, #75BB00
Split complementary#BB0017, #BBA300
Tetradic#A400BB, #BB4600, #18BB00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#88D2FF
Lighter +30%#55BFFF
Lighter +20%#22ACFF
Lighter +10%#0095EE
Darker −10%#005588
Darker −20%#003555
Darker −30%#001522
Darker −40%#000000
More saturated +25%#0075BB
Less saturated −25%#176FA4

Channel breakdown

R0
G117
B187
Red0 (0%)
Green117 (45.9%)
Blue187 (73.3%)
Hue202.46°
Saturation (HSL)100%
Lightness36.67%
Dominant channelBlue
Hex per channelR 00 · G 75 · B BB

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Every value on this page was computed from “0075bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.