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Colour

#2B8BBD

  • #2B8BBD
  • Blue
  • Dark
  • Nearest: Steel blue

#2B8BBD is a blue with RGB values 43, 139, 189 and HSL 201°, 63%, 45%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#2B8BBD#2B8BBD
HEX#2B8BBD
RGBrgb(43, 139, 189)
RGB (0–1)0.1686, 0.5451, 0.7412
RGB percentages16.9%, 54.5%, 74.1%
HSLhsl(200.5, 62.9%, 45.5%)
HSV / HSBhsv(200.5, 77.2%, 74.1%)
CMYK77.2%, 26.5%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,853,821
CSS custom property--colour: #2B8BBD;

Brightness & contrast

Relative luminance0.22653WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.53:1
Contrast with white3.8:1WCAG normal text: Fail
Contrast with black5.53:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#D47442

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#738BBFno red cones; affects about 1% of men; ΔE 16 from the original
Deuteranopia#5F7DBCno green cones; the most common form, about 1% of men; ΔE 17.6 from the original
Tritanopia#00989Cno blue cones; rare, and affects men and women equally; ΔE 30.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.8:1WCAG large text: AA
Contrast with black, large text5.53:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.9Deep skyblue · ΔE 21.1Light slate grey · ΔE 24.2Slate grey · ΔE 24.8Light skyblue · ΔE 25.6Cornflower blue · ΔE 26
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.87, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD5D2B
Analogous#2BBDA6, #2B42BD
Triadic#BD2B8B, #8BBD2B
Split complementary#BD2B42, #BDA62B
Tetradic#A62BBD, #BD5D2B, #42BD2B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3E1F1
Lighter +30%#99CDE8
Lighter +20%#70B8DE
Lighter +10%#46A4D5
Darker −10%#226C93
Darker −20%#184E6A
Darker −30%#0F2F40
Darker −40%#051117
More saturated +25%#0E94DA
Less saturated −25%#4882A0

Channel breakdown

R43
G139
B189
Red43 (16.9%)
Green139 (54.5%)
Blue189 (74.1%)
Hue200.55°
Saturation (HSL)62.93%
Lightness45.49%
Dominant channelBlue
Hex per channelR 2B · G 8B · B BD

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Every value on this page was computed from “2b8bbd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.