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Recognised as Colour

#5AA1DB

  • #5AA1DB
  • Blue
  • Dark
  • Nearest: Steel blue

#5AA1DB is a blue with RGB values 90, 161, 219 and HSL 207°, 64%, 61%. 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

#5AA1DB#5AA1DB
HEX#5AA1DB
RGBrgb(90, 161, 219)
RGB (0–1)0.3529, 0.6314, 0.8588
RGB percentages35.3%, 63.1%, 85.9%
HSLhsl(207, 64.2%, 60.6%)
HSV / HSBhsv(207, 58.9%, 85.9%)
CMYK58.9%, 26.5%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,939,675
CSS custom property--colour: #5AA1DB;

Brightness & contrast

Relative luminance0.32778WCAG 2.x, 0 is black and 1 is white
Perceived brightness152 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.56:1
Contrast with white2.78:1WCAG normal text: Fail
Contrast with black7.56:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#A55E24

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#88A2DEno red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#7695DAno green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#00AFB5no blue cones; rare, and affects men and women equally; ΔE 36.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.78:1WCAG large text: Fail
Contrast with black, large text7.56:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.2Deep skyblue · ΔE 16.4Light skyblue · ΔE 18.4Cornflower blue · ΔE 19.8Sky blue · ΔE 23.3Light steelblue · ΔE 25.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DB945A
Analogous#5ADBD4, #5A61DB
Triadic#DB5AA1, #A1DB5A
Split complementary#DB5A61, #DBD55A
Tetradic#D45ADB, #DB945A, #60DB5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D8E9F6
Lighter +20%#AED1ED
Lighter +10%#84B9E4
Darker −10%#3089D2
Darker −20%#256EAA
Darker −30%#1C5380
Darker −40%#133856
More saturated +25%#41A4F4
Less saturated −25%#739EC2

Channel breakdown

R90
G161
B219
Red90 (35.3%)
Green161 (63.1%)
Blue219 (85.9%)
Hue206.98°
Saturation (HSL)64.18%
Lightness60.59%
Dominant channelBlue
Hex per channelR 5A · G A1 · B DB

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Every value on this page was computed from “5aa1db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.