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Recognised as Colour

#197EF3

  • #197EF3
  • Blue
  • Dark
  • Nearest: Dodgerblue

#197EF3 is a blue with RGB values 25, 126, 243 and HSL 212°, 90%, 53%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#197EF3#197EF3
HEX#197EF3
RGBrgb(25, 126, 243)
RGB (0–1)0.098, 0.4941, 0.9529
RGB percentages9.8%, 49.4%, 95.3%
HSLhsl(212.2, 90.1%, 52.5%)
HSV / HSBhsv(212.2, 89.7%, 95.3%)
CMYK89.7%, 48.1%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,670,899
CSS custom property--colour: #197EF3;

Brightness & contrast

Relative luminance0.21599WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.32:1
Contrast with white3.95:1WCAG normal text: Fail
Contrast with black5.32:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#E6810C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#368AF7no red cones; affects about 1% of men; ΔE 7.1 from the original
Deuteranopia#0077F1no green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#009BADno blue cones; rare, and affects men and women equally; ΔE 64.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.95:1WCAG large text: AA
Contrast with black, large text5.32:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 8.9Royal blue · ΔE 11.6Cornflower blue · ΔE 19.9Slate blue · ΔE 23Medium slateblue · ΔE 24.9Medium purple · ΔE 26.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 8.92, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F38E19
Analogous#19EBF3, #2119F3
Triadic#F3197E, #7EF319
Split complementary#F32119, #EBF319
Tetradic#F319EB, #F38E19, #19F321

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBEBFD
Lighter +30%#AAD0FB
Lighter +20%#7AB4F8
Lighter +10%#4999F6
Darker −10%#0B65CE
Darker −20%#084E9E
Darker −30%#06366D
Darker −40%#031E3D
More saturated +25%#0D7DFF
Less saturated −25%#3780D5

Channel breakdown

R25
G126
B243
Red25 (9.8%)
Green126 (49.4%)
Blue243 (95.3%)
Hue212.2°
Saturation (HSL)90.08%
Lightness52.55%
Dominant channelBlue
Hex per channelR 19 · G 7E · B F3

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Every value on this page was computed from “197ef3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.