Recognised as Colour

#1F8CFC

#1F8CFC
Blue
Dark
Nearest: Dodgerblue

#1F8CFC is a blue with RGB values 31, 140, 252 and HSL 210°, 97%, 55%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#1F8CFC#1F8CFC

HEX#1F8CFC

RGBrgb(31, 140, 252)

RGB (0–1)0.1216, 0.549, 0.9882

RGB percentages12.2%, 54.9%, 98.8%

HSLhsl(210.4, 97.4%, 55.5%)

HSV / HSBhsv(210.4, 87.7%, 98.8%)

CMYK87.7%, 44.4%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,067,708

CSS custom property--colour: #1F8CFC;

Brightness & contrast

Relative luminance0.26076WCAG 2.x, 0 is black and 1 is white

Perceived brightness138 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.22:1

Contrast with white3.38:1WCAG normal text: Fail

Contrast with black6.22:1WCAG normal text: AA

Greyscale equivalent#7D7D7D

Inverted#E07303

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F96FFno red cones; affects about 1% of men; ΔE 6.5 from the original

Deuteranopia#1783FAno green cones; the most common form, about 1% of men; ΔE 6.1 from the original

Tritanopia#00A7B8no blue cones; rare, and affects men and women equally; ΔE 60.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.38:1WCAG large text: AA

Contrast with black, large text6.22:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 1.9 Cornflower blue · ΔE 15.1 Royal blue · ΔE 18.2 Slate blue · ΔE 28.5 Medium purple · ΔE 29.1 Medium slateblue · ΔE 30.4

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 1.9, below the just-noticeable difference

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#FC8F1F

Analogous#1FFBFC, #211FFC

Triadic#FC1F8C, #8CFC1F

Split complementary#FC211F, #FAFC1F

Tetradic#FC1FFB, #FC8F1F, #1FFC21

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#E8F3FF

Lighter +30%#B6DAFE

Lighter +20%#84C0FD

Lighter +10%#51A6FD

Darker −10%#0372E5

Darker −20%#0259B3

Darker −30%#024080

Darker −40%#01274E

More saturated +25%#1C8CFF

Less saturated −25%#3B8CE0

Channel breakdown

R31

G140

B252

Red31 (12.2%)

Green140 (54.9%)

Blue252 (98.8%)

Hue210.41°

Saturation (HSL)97.36%

Lightness55.49%

Dominant channelBlue

Hex per channelR 1F · G 8C · B FC

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#1F8CFC

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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