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Recognised as Colour

#2478DF

  • #2478DF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2478DF is a blue with RGB values 36, 120, 223 and HSL 213°, 75%, 51%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2478DF#2478DF
HEX#2478DF
RGBrgb(36, 120, 223)
RGB (0–1)0.1412, 0.4706, 0.8745
RGB percentages14.1%, 47.1%, 87.5%
HSLhsl(213, 74.5%, 50.8%)
HSV / HSBhsv(213, 83.9%, 87.5%)
CMYK83.9%, 46.2%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,390,239
CSS custom property--colour: #2478DF;

Brightness & contrast

Relative luminance0.19136WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.83:1
Contrast with white4.35:1WCAG normal text: Fail
Contrast with black4.83:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#DB8720

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F82E3no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#0071DDno green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#0091A1no blue cones; rare, and affects men and women equally; ΔE 57.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.35:1WCAG large text: AA
Contrast with black, large text4.83:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 9.9Royal blue · ΔE 14.9Cornflower blue · ΔE 15.4Slate blue · ΔE 23.7Medium purple · ΔE 25.9Medium slateblue · ΔE 28.8
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 9.93, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF8B24
Analogous#24D6DF, #2D24DF
Triadic#DF2478, #78DF24
Split complementary#DF2E24, #D5DF24
Tetradic#DF24D6, #DF8B24, #24DF2E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6E6F9
Lighter +30%#A9CAF3
Lighter +20%#7DAFEC
Lighter +10%#5093E6
Darker −10%#1B60B5
Darker −20%#144989
Darker −30%#0E315C
Darker −40%#071930
More saturated +25%#0575FE
Less saturated −25%#437BC0

Channel breakdown

R36
G120
B223
Red36 (14.1%)
Green120 (47.1%)
Blue223 (87.5%)
Hue213.05°
Saturation (HSL)74.5%
Lightness50.78%
Dominant channelBlue
Hex per channelR 24 · G 78 · B DF

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Every value on this page was computed from “2478df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.