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Recognised as Colour

#247CDF

  • #247CDF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#247CDF is a blue with RGB values 36, 124, 223 and HSL 212°, 75%, 51%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#247CDF#247CDF
HEX#247CDF
RGBrgb(36, 124, 223)
RGB (0–1)0.1412, 0.4863, 0.8745
RGB percentages14.1%, 48.6%, 87.5%
HSLhsl(211.8, 74.5%, 50.8%)
HSV / HSBhsv(211.8, 83.9%, 87.5%)
CMYK83.9%, 44.4%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,391,263
CSS custom property--colour: #247CDF;

Brightness & contrast

Relative luminance0.20118WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.02:1
Contrast with white4.18:1WCAG normal text: Fail
Contrast with black5.02:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#DB8320

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4785E3no red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#1C74DDno green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#0094A2no blue cones; rare, and affects men and women equally; ΔE 55.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.18:1WCAG large text: AA
Contrast with black, large text5.02:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 9.5Cornflower blue · ΔE 13Royal blue · ΔE 18Slate blue · ΔE 26.4Medium purple · ΔE 27.5Steel blue · ΔE 29.2
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 9.48, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF8724
Analogous#24DADF, #2924DF
Triadic#DF247C, #7CDF24
Split complementary#DF2924, #DADF24
Tetradic#DF24DA, #DF8724, #24DF29

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6E6F9
Lighter +30%#A9CCF3
Lighter +20%#7DB1EC
Lighter +10%#5097E6
Darker −10%#1B63B5
Darker −20%#144B89
Darker −30%#0E335C
Darker −40%#071A30
More saturated +25%#057AFE
Less saturated −25%#437EC0

Channel breakdown

R36
G124
B223
Red36 (14.1%)
Green124 (48.6%)
Blue223 (87.5%)
Hue211.76°
Saturation (HSL)74.5%
Lightness50.78%
Dominant channelBlue
Hex per channelR 24 · G 7C · B DF

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Every value on this page was computed from “247cdf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.