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Recognised as Colour

#3AA4DA

  • #3AA4DA
  • Blue
  • Dark
  • Nearest: Deep skyblue

#3AA4DA is a blue with RGB values 58, 164, 218 and HSL 200°, 68%, 54%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#3AA4DA#3AA4DA
HEX#3AA4DA
RGBrgb(58, 164, 218)
RGB (0–1)0.2275, 0.6431, 0.8549
RGB percentages22.7%, 64.3%, 85.5%
HSLhsl(200.3, 68.4%, 54.1%)
HSV / HSBhsv(200.3, 73.4%, 85.5%)
CMYK73.4%, 24.8%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,843,290
CSS custom property--colour: #3AA4DA;

Brightness & contrast

Relative luminance0.32512WCAG 2.x, 0 is black and 1 is white
Perceived brightness149 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.5:1
Contrast with white2.8:1WCAG normal text: Fail
Contrast with black7.5:1WCAG normal text: AAA
Greyscale equivalent#919191
Inverted#C55B25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8AA3DDno red cones; affects about 1% of men; ΔE 18.6 from the original
Deuteranopia#7494D9no green cones; the most common form, about 1% of men; ΔE 20 from the original
Tritanopia#00B2B6no 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 text2.8:1WCAG large text: Fail
Contrast with black, large text7.5:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 12.1Steel blue · ΔE 14.6Light skyblue · ΔE 17.7Sky blue · ΔE 21.5Cornflower blue · ΔE 25.5Light steelblue · ΔE 27.8
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 12.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA703A
Analogous#3ADAC0, #3A54DA
Triadic#DA3AA4, #A4DA3A
Split complementary#DA3A54, #DAC03A
Tetradic#C03ADA, #DA703A, #54DA3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6F3FA
Lighter +30%#BBE0F2
Lighter +20%#90CCEA
Lighter +10%#65B8E2
Darker −10%#248ABD
Darker −20%#1C6A92
Darker −30%#134B68
Darker −40%#0B2C3D
More saturated +25%#1DAEF7
Less saturated −25%#579ABD

Channel breakdown

R58
G164
B218
Red58 (22.7%)
Green164 (64.3%)
Blue218 (85.5%)
Hue200.25°
Saturation (HSL)68.38%
Lightness54.12%
Dominant channelBlue
Hex per channelR 3A · G A4 · B DA

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Every value on this page was computed from “3aa4da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.