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Recognised as Colour

#198FFF

  • #198FFF
  • Blue
  • Dark
  • Nearest: Dodgerblue

#198FFF is a blue with RGB values 25, 143, 255 and HSL 209°, 100%, 55%. It is a dark colour, so black text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#198FFF#198FFF
HEX#198FFF
RGBrgb(25, 143, 255)
RGB (0–1)0.098, 0.5608, 1
RGB percentages9.8%, 56.1%, 100%
HSLhsl(209.2, 100%, 54.9%)
HSV / HSBhsv(209.2, 90.2%, 100%)
CMYK90.2%, 43.9%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,675,263
CSS custom property--colour: #198FFF;

Brightness & contrast

Relative luminance0.27072WCAG 2.x, 0 is black and 1 is white
Perceived brightness140 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.41:1
Contrast with white3.27:1WCAG normal text: Fail
Contrast with black6.41:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#E67000

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5399FFno red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#1D85FDno green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#00AABAno blue cones; rare, and affects men and women equally; ΔE 61.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.27:1WCAG large text: AA
Contrast with black, large text6.41:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 0.7Cornflower blue · ΔE 15Royal blue · ΔE 19.5Slate blue · ΔE 29.8Medium purple · ΔE 30.2Medium slateblue · ΔE 31.6
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 0.74, indistinguishable to the eye
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF8919
Analogous#19FFFC, #191CFF
Triadic#FF198F, #8FFF19
Split complementary#FF191C, #FFFC19
Tetradic#FC19FF, #FF8919, #1CFF19

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5F2FF
Lighter +30%#B2DAFF
Lighter +20%#7FC1FF
Lighter +10%#4CA8FF
Darker −10%#0075E5
Darker −20%#005BB2
Darker −30%#00417F
Darker −40%#00274C
More saturated +25%#198FFF
Less saturated −25%#368EE2

Channel breakdown

R25
G143
B255
Red25 (9.8%)
Green143 (56.1%)
Blue255 (100%)
Hue209.22°
Saturation (HSL)100%
Lightness54.9%
Dominant channelBlue
Hex per channelR 19 · G 8F · B FF

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Every value on this page was computed from “198fff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.