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Recognised as Colour

#3AA3DA

  • #3AA3DA
  • Blue
  • Dark
  • Nearest: Deep skyblue

#3AA3DA is a blue with RGB values 58, 163, 218 and HSL 201°, 68%, 54%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#3AA3DA#3AA3DA
HEX#3AA3DA
RGBrgb(58, 163, 218)
RGB (0–1)0.2275, 0.6392, 0.8549
RGB percentages22.7%, 63.9%, 85.5%
HSLhsl(200.6, 68.4%, 54.1%)
HSV / HSBhsv(200.6, 73.4%, 85.5%)
CMYK73.4%, 25.2%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,843,034
CSS custom property--colour: #3AA3DA;

Brightness & contrast

Relative luminance0.32156WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.43:1
Contrast with white2.83:1WCAG normal text: Fail
Contrast with black7.43:1WCAG normal text: AAA
Greyscale equivalent#919191
Inverted#C55C25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#89A2DDno red cones; affects about 1% of men; ΔE 18.4 from the original
Deuteranopia#7393D9no green cones; the most common form, about 1% of men; ΔE 19.8 from the original
Tritanopia#00B1B6no blue cones; rare, and affects men and women equally; ΔE 32.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.83:1WCAG large text: Fail
Contrast with black, large text7.43:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 12.4Steel blue · ΔE 14.1Light skyblue · ΔE 18.1Sky blue · ΔE 22.1Cornflower blue · ΔE 24.8Light steelblue · ΔE 28.1
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 12.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA713A
Analogous#3ADAC1, #3A53DA
Triadic#DA3AA3, #A3DA3A
Split complementary#DA3A53, #DAC13A
Tetradic#C13ADA, #DA713A, #53DA3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6F3FA
Lighter +30%#BBDFF2
Lighter +20%#90CBEA
Lighter +10%#65B7E2
Darker −10%#2489BD
Darker −20%#1C6A92
Darker −30%#134B68
Darker −40%#0B2C3D
More saturated +25%#1DACF7
Less saturated −25%#579ABD

Channel breakdown

R58
G163
B218
Red58 (22.7%)
Green163 (63.9%)
Blue218 (85.5%)
Hue200.63°
Saturation (HSL)68.38%
Lightness54.12%
Dominant channelBlue
Hex per channelR 3A · G A3 · B DA

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Every value on this page was computed from “3aa3da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.