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Recognised as Colour

#5791AF

  • #5791AF
  • Blue
  • Dark
  • Nearest: Steel blue

#5791AF is a blue with RGB values 87, 145, 175 and HSL 200°, 35%, 51%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5791AF#5791AF
HEX#5791AF
RGBrgb(87, 145, 175)
RGB (0–1)0.3412, 0.5686, 0.6863
RGB percentages34.1%, 56.9%, 68.6%
HSLhsl(200.5, 35.5%, 51.4%)
HSV / HSBhsv(200.5, 50.3%, 68.6%)
CMYK50.3%, 17.1%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,738,927
CSS custom property--colour: #5791AF;

Brightness & contrast

Relative luminance0.25372WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.07:1
Contrast with white3.46:1WCAG normal text: Fail
Contrast with black6.07:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#A86E50

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#828FB1no red cones; affects about 1% of men; ΔE 14 from the original
Deuteranopia#7686AFno green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#28999Bno blue cones; rare, and affects men and women equally; ΔE 22.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.46:1WCAG large text: AA
Contrast with black, large text6.07:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13.4Light slate grey · ΔE 13.4Slate grey · ΔE 14.6Cadetblue · ΔE 17.3Sky blue · ΔE 22.2Light skyblue · ΔE 23.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF7557
Analogous#57AFA1, #5765AF
Triadic#AF5791, #91AF57
Split complementary#AF5765, #AFA157
Tetradic#A157AF, #AF7557, #65AF57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1EBF1
Lighter +30%#BFD5E0
Lighter +20%#9CBED0
Lighter +10%#7AA8BF
Darker −10%#44758F
Darker −20%#34596C
Darker −30%#233D4A
Darker −40%#132027
More saturated +25%#389BCE
Less saturated −25%#768790

Channel breakdown

R87
G145
B175
Red87 (34.1%)
Green145 (56.9%)
Blue175 (68.6%)
Hue200.45°
Saturation (HSL)35.48%
Lightness51.37%
Dominant channelBlue
Hex per channelR 57 · G 91 · B AF

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Every value on this page was computed from “5791af” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.