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Recognised as Colour

#2B83DA

  • #2B83DA
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2B83DA is a blue with RGB values 43, 131, 218 and HSL 210°, 70%, 51%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2B83DA#2B83DA
HEX#2B83DA
RGBrgb(43, 131, 218)
RGB (0–1)0.1686, 0.5137, 0.8549
RGB percentages16.9%, 51.4%, 85.5%
HSLhsl(209.8, 70.3%, 51.2%)
HSV / HSBhsv(209.8, 80.3%, 85.5%)
CMYK80.3%, 39.9%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,851,802
CSS custom property--colour: #2B83DA;

Brightness & contrast

Relative luminance0.21808WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.36:1
Contrast with white3.92:1WCAG normal text: Fail
Contrast with black5.36:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#D47C25

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5989DDno red cones; affects about 1% of men; ΔE 6.7 from the original
Deuteranopia#3B79D8no green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#0098A4no blue cones; rare, and affects men and women equally; ΔE 49.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.92:1WCAG large text: AA
Contrast with black, large text5.36:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.5Dodgerblue · ΔE 13.9Steel blue · ΔE 21.6Royal blue · ΔE 26Deep skyblue · ΔE 30.8Medium purple · ΔE 31.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.53, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA822B
Analogous#2BDAD9, #2B2CDA
Triadic#DA2B83, #83DA2B
Split complementary#DA2B2B, #DAD92B
Tetradic#DA2BDA, #DA822B, #2BDA2B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9E9F8
Lighter +30%#ADCFF1
Lighter +20%#82B6E9
Lighter +10%#569CE2
Darker −10%#1F69B3
Darker −20%#185087
Darker −30%#10365C
Darker −40%#081D31
More saturated +25%#0C83F9
Less saturated −25%#4A83BB

Channel breakdown

R43
G131
B218
Red43 (16.9%)
Green131 (51.4%)
Blue218 (85.5%)
Hue209.83°
Saturation (HSL)70.28%
Lightness51.18%
Dominant channelBlue
Hex per channelR 2B · G 83 · B DA

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Every value on this page was computed from “2b83da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.