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Recognised as Colour

#2378AC

  • #2378AC
  • Blue
  • Dark
  • Nearest: Steel blue

#2378AC is a blue with RGB values 35, 120, 172 and HSL 203°, 66%, 41%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2378AC#2378AC
HEX#2378AC
RGBrgb(35, 120, 172)
RGB (0–1)0.1373, 0.4706, 0.6745
RGB percentages13.7%, 47.1%, 67.5%
HSLhsl(202.8, 66.2%, 40.6%)
HSV / HSBhsv(202.8, 79.7%, 67.5%)
CMYK79.7%, 30.2%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,324,652
CSS custom property--colour: #2378AC;

Brightness & contrast

Relative luminance0.16769WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.82:1
Contrast with white4.82:1WCAG normal text: AA
Contrast with black4.35:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#DC8753

Colour vision & accessibility

Protanopia#6079AEno red cones; affects about 1% of men; ΔE 12.7 from the original
Deuteranopia#4D6CABno green cones; the most common form, about 1% of men; ΔE 14.4 from the original
Tritanopia#00858Ano blue cones; rare, and affects men and women equally; ΔE 31.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.82:1WCAG large text: AAA
Contrast with black, large text4.35:1WCAG large text: AA

Named colours

Nearest named CSS colourSteel blue (#4682B4)ΔE 5.65, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#AC5723
Analogous#23AC9C, #2333AC
Triadic#AC2378, #78AC23
Split complementary#AC2333, #AC9C23
Tetradic#9C23AC, #AC5723, #33AC23

Tints, shades & saturation

Lighter +40%#ADD5EE
Lighter +30%#82C0E6
Lighter +20%#58ABDD
Lighter +10%#2E95D4
Darker −10%#1A5A82
Darker −20%#123D57
Darker −30%#091F2D
Darker −40%#010202
More saturated +25%#097EC6
Less saturated −25%#3D7292

Channel breakdown

R35
G120
B172
Red35 (13.7%)
Green120 (47.1%)
Blue172 (67.5%)
Hue202.77°
Saturation (HSL)66.18%
Lightness40.59%
Dominant channelBlue
Hex per channelR 23 · G 78 · B AC

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Every value on this page was computed from “2378ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.