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Recognised as Colour

#5A88B4

  • #5A88B4
  • Blue
  • Dark
  • Nearest: Steel blue

#5A88B4 is a blue with RGB values 90, 136, 180 and HSL 209°, 38%, 53%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5A88B4#5A88B4
HEX#5A88B4
RGBrgb(90, 136, 180)
RGB (0–1)0.3529, 0.5333, 0.7059
RGB percentages35.3%, 53.3%, 70.6%
HSLhsl(209.3, 37.5%, 52.9%)
HSV / HSBhsv(209.3, 50%, 70.6%)
CMYK50%, 24.4%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,933,236
CSS custom property--colour: #5A88B4;

Brightness & contrast

Relative luminance0.23077WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.62:1
Contrast with white3.74:1WCAG normal text: Fail
Contrast with black5.62:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#A5774B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7689B6no red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#6A80B3no green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#2F9297no blue cones; rare, and affects men and women equally; ΔE 28.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.74:1WCAG large text: AA
Contrast with black, large text5.62:1WCAG large text: AAA

Named colours

Steel blue · ΔE 5.1Light slate grey · ΔE 16.9Slate grey · ΔE 17.6Cornflower blue · ΔE 25.7Light skyblue · ΔE 25.7Light steelblue · ΔE 26.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 5.1, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B4865A
Analogous#5AB4B3, #5A5BB4
Triadic#B45A88, #88B45A
Split complementary#B45A5B, #B4B35A
Tetradic#B35AB4, #B4865A, #5BB45A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6EDF4
Lighter +30%#C3D4E4
Lighter +20%#A0BBD4
Lighter +10%#7DA1C4
Darker −10%#446E97
Darker −20%#355574
Darker −30%#253B50
Darker −40%#15212D
More saturated +25%#3C89D2
Less saturated −25%#788796

Channel breakdown

R90
G136
B180
Red90 (35.3%)
Green136 (53.3%)
Blue180 (70.6%)
Hue209.33°
Saturation (HSL)37.5%
Lightness52.94%
Dominant channelBlue
Hex per channelR 5A · G 88 · B B4

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Every value on this page was computed from “5a88b4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.