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Colour

#2182DF

  • #2182DF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2182DF is a blue with RGB values 33, 130, 223 and HSL 209°, 75%, 50%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2182DF#2182DF
HEX#2182DF
RGBrgb(33, 130, 223)
RGB (0–1)0.1294, 0.5098, 0.8745
RGB percentages12.9%, 51%, 87.5%
HSLhsl(209.4, 74.8%, 50.2%)
HSV / HSBhsv(209.4, 85.2%, 87.5%)
CMYK85.2%, 41.7%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,196,191
CSS custom property--colour: #2182DF;

Brightness & contrast

Relative luminance0.21616WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.32:1
Contrast with white3.94:1WCAG normal text: Fail
Contrast with black5.32:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#DE7D20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5389E3no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#3078DDno green cones; the most common form, about 1% of men; ΔE 7.8 from the original
Tritanopia#0098A5no blue cones; rare, and affects men and women equally; ΔE 52.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.94:1WCAG large text: AA
Contrast with black, large text5.32:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.4Dodgerblue · ΔE 10.8Royal blue · ΔE 23Steel blue · ΔE 25.1Medium purple · ΔE 30.6Slate blue · ΔE 30.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF7E21
Analogous#21DFDD, #2123DF
Triadic#DF2182, #82DF21
Split complementary#DF2123, #DFDD21
Tetradic#DD21DF, #DF7E21, #23DF21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3E6F9
Lighter +30%#A7CDF2
Lighter +20%#7AB4EC
Lighter +10%#4E9BE5
Darker −10%#1A68B3
Darker −20%#134E87
Darker −30%#0D345A
Darker −40%#071A2D
More saturated +25%#0183FF
Less saturated −25%#4181BF

Channel breakdown

R33
G130
B223
Red33 (12.9%)
Green130 (51%)
Blue223 (87.5%)
Hue209.37°
Saturation (HSL)74.8%
Lightness50.2%
Dominant channelBlue
Hex per channelR 21 · G 82 · B DF

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Every value on this page was computed from “2182df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.