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Recognised as Colour

#3B8DBB

  • #3B8DBB
  • Blue
  • Dark
  • Nearest: Steel blue

#3B8DBB is a blue with RGB values 59, 141, 187 and HSL 202°, 52%, 48%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3B8DBB#3B8DBB
HEX#3B8DBB
RGBrgb(59, 141, 187)
RGB (0–1)0.2314, 0.5529, 0.7333
RGB percentages23.1%, 55.3%, 73.3%
HSLhsl(201.6, 52%, 48.2%)
HSV / HSBhsv(201.6, 68.4%, 73.3%)
CMYK68.4%, 24.6%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,902,907
CSS custom property--colour: #3B8DBB;

Brightness & contrast

Relative luminance0.23567WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.71:1
Contrast with white3.68:1WCAG normal text: Fail
Contrast with black5.71:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#C47244

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#778CBDno red cones; affects about 1% of men; ΔE 15.3 from the original
Deuteranopia#6680BAno green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#00999Dno blue cones; rare, and affects men and women equally; ΔE 29.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.68:1WCAG large text: AA
Contrast with black, large text5.71:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.8Light slate grey · ΔE 21.6Deep skyblue · ΔE 21.7Slate grey · ΔE 22.3Light skyblue · ΔE 24.2Sky blue · ΔE 26
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.78, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB693B
Analogous#3BBBA9, #3B4DBB
Triadic#BB3B8D, #8DBB3B
Split complementary#BB3B4D, #BBA93B
Tetradic#A93BBB, #BB693B, #4DBB3B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1E5F1
Lighter +30%#ABD0E4
Lighter +20%#84BAD8
Lighter +10%#5DA4CC
Darker −10%#2F7094
Darker −20%#23536D
Darker −30%#163547
Darker −40%#0A1820
More saturated +25%#1C96DA
Less saturated −25%#5A849C

Channel breakdown

R59
G141
B187
Red59 (23.1%)
Green141 (55.3%)
Blue187 (73.3%)
Hue201.56°
Saturation (HSL)52.03%
Lightness48.24%
Dominant channelBlue
Hex per channelR 3B · G 8D · B BB

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Every value on this page was computed from “3b8dbb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.