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Recognised as Colour

#5AA4CD

  • #5AA4CD
  • Blue
  • Dark
  • Nearest: Steel blue

#5AA4CD is a blue with RGB values 90, 164, 205 and HSL 201°, 53%, 58%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#5AA4CD#5AA4CD
HEX#5AA4CD
RGBrgb(90, 164, 205)
RGB (0–1)0.3529, 0.6431, 0.8039
RGB percentages35.3%, 64.3%, 80.4%
HSLhsl(201.4, 53.5%, 57.8%)
HSV / HSBhsv(201.4, 56.1%, 80.4%)
CMYK56.1%, 20%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,940,429
CSS custom property--colour: #5AA4CD;

Brightness & contrast

Relative luminance0.33132WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.63:1
Contrast with white2.75:1WCAG normal text: Fail
Contrast with black7.63:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#A55B32

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#91A3CFno red cones; affects about 1% of men; ΔE 15.8 from the original
Deuteranopia#8197CCno green cones; the most common form, about 1% of men; ΔE 16.7 from the original
Tritanopia#00AFB2no blue cones; rare, and affects men and women equally; ΔE 28.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.75:1WCAG large text: Fail
Contrast with black, large text7.63:1WCAG large text: AAA

Named colours

Steel blue · ΔE 14.5Light skyblue · ΔE 15.5Sky blue · ΔE 16.7Deep skyblue · ΔE 17.9Light slate grey · ΔE 20.9Light steelblue · ΔE 21.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD835A
Analogous#5ACDBD, #5A6ACD
Triadic#CD5AA4, #A4CD5A
Split complementary#CD5A6B, #CDBD5A
Tetradic#BD5ACD, #CD835A, #6ACD5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FAFC
Lighter +30%#CFE5F1
Lighter +20%#A8CFE5
Lighter +10%#81BAD9
Darker −10%#398DBB
Darker −20%#2D6F94
Darker −30%#21526D
Darker −40%#153446
More saturated +25%#3FACE8
Less saturated −25%#759CB2

Channel breakdown

R90
G164
B205
Red90 (35.3%)
Green164 (64.3%)
Blue205 (80.4%)
Hue201.39°
Saturation (HSL)53.49%
Lightness57.84%
Dominant channelBlue
Hex per channelR 5A · G A4 · B CD

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Every value on this page was computed from “5aa4cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.