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Recognised as Colour

#1078BB

  • #1078BB
  • Blue
  • Dark
  • Nearest: Steel blue

#1078BB is a blue with RGB values 16, 120, 187 and HSL 204°, 84%, 40%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#1078BB#1078BB
HEX#1078BB
RGBrgb(16, 120, 187)
RGB (0–1)0.0627, 0.4706, 0.7333
RGB percentages6.3%, 47.1%, 73.3%
HSLhsl(203.5, 84.2%, 39.8%)
HSV / HSBhsv(203.5, 91.4%, 73.3%)
CMYK91.4%, 35.8%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,079,483
CSS custom property--colour: #1078BB;

Brightness & contrast

Relative luminance0.17131WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.74:1
Contrast with white4.74:1WCAG normal text: AA
Contrast with black4.43:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#EF8744

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#587BBEno red cones; affects about 1% of men; ΔE 10.6 from the original
Deuteranopia#3F6CBAno green cones; the most common form, about 1% of men; ΔE 12.9 from the original
Tritanopia#008890no blue cones; rare, and affects men and women equally; ΔE 39 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.74:1WCAG large text: AAA
Contrast with black, large text4.43:1WCAG large text: AA

Named colours

Steel blue · ΔE 11.4Cornflower blue · ΔE 19Dodgerblue · ΔE 26.4Deep skyblue · ΔE 28.7Slate grey · ΔE 32.4Light slate grey · ΔE 32.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.4, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB5310
Analogous#10BBA8, #1023BB
Triadic#BB1078, #78BB10
Split complementary#BB1023, #BBA810
Tetradic#A810BB, #BB5310, #23BB10

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0D5F7
Lighter +30%#71C0F3
Lighter +20%#42ABEF
Lighter +10%#1496EA
Darker −10%#0C5A8C
Darker −20%#083C5D
Darker −30%#041E2E
Darker −40%#000000
More saturated +25%#007BCB
Less saturated −25%#2973A2

Channel breakdown

R16
G120
B187
Red16 (6.3%)
Green120 (47.1%)
Blue187 (73.3%)
Hue203.51°
Saturation (HSL)84.24%
Lightness39.8%
Dominant channelBlue
Hex per channelR 10 · G 78 · B BB

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Every value on this page was computed from “1078bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.