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Recognised as Colour

#0245BB

  • #0245BB
  • Blue
  • Dark
  • Nearest: Royal blue

#0245BB is a blue with RGB values 2, 69, 187 and HSL 218°, 98%, 37%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0245BB#0245BB
HEX#0245BB
RGBrgb(2, 69, 187)
RGB (0–1)0.0078, 0.2706, 0.7333
RGB percentages0.8%, 27.1%, 73.3%
HSLhsl(218.3, 97.9%, 37.1%)
HSV / HSBhsv(218.3, 98.9%, 73.3%)
CMYK98.9%, 63.1%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer148,923
CSS custom property--colour: #0245BB;

Brightness & contrast

Relative luminance0.07857WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.17:1
Contrast with white8.17:1WCAG normal text: AAA
Contrast with black2.57:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#FDBA44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057BFno red cones; affects about 1% of men; ΔE 13.2 from the original
Deuteranopia#0047B9no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#006479no blue cones; rare, and affects men and women equally; ΔE 67.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.17:1WCAG large text: AAA
Contrast with black, large text2.57:1WCAG large text: Fail

Named colours

Royal blue · ΔE 14.8Slate blue · ΔE 15.6Medium slateblue · ΔE 21.4Rebecca purple · ΔE 23Midnight blue · ΔE 24.6Dark slateblue · ΔE 25
Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB7802
Analogous#02A1BB, #1C02BB
Triadic#BB0245, #45BB02
Split complementary#BB1C02, #A1BB02
Tetradic#BB02A1, #BB7802, #02BB1C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8BB5FE
Lighter +30%#5994FD
Lighter +20%#2674FD
Lighter +10%#0358ED
Darker −10%#013289
Darker −20%#012056
Darker −30%#000D24
Darker −40%#000000
More saturated +25%#0044BD
Less saturated −25%#1A4CA3

Channel breakdown

R2
G69
B187
Red2 (0.8%)
Green69 (27.1%)
Blue187 (73.3%)
Hue218.27°
Saturation (HSL)97.88%
Lightness37.06%
Dominant channelBlue
Hex per channelR 02 · G 45 · B BB

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Every value on this page was computed from “0245bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.