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Recognised as Colour

#0578AD

  • #0578AD
  • Cyan
  • Dark
  • Nearest: Steel blue

#0578AD is a cyan with RGB values 5, 120, 173 and HSL 199°, 94%, 35%. 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

#0578AD#0578AD
HEX#0578AD
RGBrgb(5, 120, 173)
RGB (0–1)0.0196, 0.4706, 0.6784
RGB percentages2%, 47.1%, 67.8%
HSLhsl(198.9, 94.4%, 34.9%)
HSV / HSBhsv(198.9, 97.1%, 67.8%)
CMYK97.1%, 30.6%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer358,573
CSS custom property--colour: #0578AD;

Brightness & contrast

Relative luminance0.16482WCAG 2.x, 0 is black and 1 is white
Perceived brightness109 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.89:1
Contrast with white4.89:1WCAG normal text: AA
Contrast with black4.3:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#FA8752

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5E78AFno red cones; affects about 1% of men; ΔE 14.6 from the original
Deuteranopia#496BACno green cones; the most common form, about 1% of men; ΔE 16.2 from the original
Tritanopia#00858Bno blue cones; rare, and affects men and women equally; ΔE 31.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.89:1WCAG large text: AAA
Contrast with black, large text4.3:1WCAG large text: AA

Named colours

Steel blue · ΔE 7.3Cornflower blue · ΔE 26.2Slate grey · ΔE 26.5Light slate grey · ΔE 26.8Deep skyblue · ΔE 27.5Light skyblue · ΔE 33.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.3, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD3A05
Analogous#05AD8E, #0524AD
Triadic#AD0578, #78AD05
Split complementary#AD0524, #AD8E05
Tetradic#8E05AD, #AD3A05, #24AD05

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#83D5FB
Lighter +30%#51C5FA
Lighter +20%#1FB4F9
Lighter +10%#069ADF
Darker −10%#04567B
Darker −20%#02334A
Darker −30%#011118
Darker −40%#000000
More saturated +25%#007AB2
Less saturated −25%#1B7097

Channel breakdown

R5
G120
B173
Red5 (2%)
Green120 (47.1%)
Blue173 (67.8%)
Hue198.93°
Saturation (HSL)94.38%
Lightness34.9%
Dominant channelBlue
Hex per channelR 05 · G 78 · B AD

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Every value on this page was computed from “0578ad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.