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Recognised as Colour

#3AA1DA

  • #3AA1DA
  • Blue
  • Dark
  • Nearest: Deep skyblue

#3AA1DA is a blue with RGB values 58, 161, 218 and HSL 201°, 68%, 54%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#3AA1DA#3AA1DA
HEX#3AA1DA
RGBrgb(58, 161, 218)
RGB (0–1)0.2275, 0.6314, 0.8549
RGB percentages22.7%, 63.1%, 85.5%
HSLhsl(201.4, 68.4%, 54.1%)
HSV / HSBhsv(201.4, 73.4%, 85.5%)
CMYK73.4%, 26.1%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,842,522
CSS custom property--colour: #3AA1DA;

Brightness & contrast

Relative luminance0.31451WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.29:1
Contrast with white2.88:1WCAG normal text: Fail
Contrast with black7.29:1WCAG normal text: AAA
Greyscale equivalent#8F8F8F
Inverted#C55E25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#86A1DDno red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#7091D9no green cones; the most common form, about 1% of men; ΔE 19.2 from the original
Tritanopia#00B0B5no blue cones; rare, and affects men and women equally; ΔE 34.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.88:1WCAG large text: Fail
Contrast with black, large text7.29:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 12.9Steel blue · ΔE 13.4Light skyblue · ΔE 19Sky blue · ΔE 23.3Cornflower blue · ΔE 23.4Light slate grey · ΔE 28.5
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 12.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA733A
Analogous#3ADAC3, #3A51DA
Triadic#DA3AA1, #A1DA3A
Split complementary#DA3A51, #DAC33A
Tetradic#C33ADA, #DA733A, #51DA3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6F3FA
Lighter +30%#BBDEF2
Lighter +20%#90CAEA
Lighter +10%#65B5E2
Darker −10%#2487BD
Darker −20%#1C6892
Darker −30%#134A68
Darker −40%#0B2B3D
More saturated +25%#1DA9F7
Less saturated −25%#5799BD

Channel breakdown

R58
G161
B218
Red58 (22.7%)
Green161 (63.1%)
Blue218 (85.5%)
Hue201.38°
Saturation (HSL)68.38%
Lightness54.12%
Dominant channelBlue
Hex per channelR 3A · G A1 · B DA

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Every value on this page was computed from “3aa1da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.