Colour

#1F8CD7

#1F8CD7
Blue
Dark
Nearest: Cornflower blue

#1F8CD7 is a blue with RGB values 31, 140, 215 and HSL 204°, 75%, 48%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#1F8CD7#1F8CD7

HEX#1F8CD7

RGBrgb(31, 140, 215)

RGB (0–1)0.1216, 0.549, 0.8431

RGB percentages12.2%, 54.9%, 84.3%

HSLhsl(204.5, 74.8%, 48.2%)

HSV / HSBhsv(204.5, 85.6%, 84.3%)

CMYK85.6%, 34.9%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,067,671

CSS custom property--colour: #1F8CD7;

Brightness & contrast

Relative luminance0.23954WCAG 2.x, 0 is black and 1 is white

Perceived brightness130.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.79:1

Contrast with white3.63:1WCAG normal text: Fail

Contrast with black5.79:1WCAG normal text: AA

Greyscale equivalent#7A7A7A

Inverted#E07328

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#688FDAno red cones; affects about 1% of men; ΔE 11.6 from the original

Deuteranopia#4E7FD6no green cones; the most common form, about 1% of men; ΔE 13.9 from the original

Tritanopia#009EA7no blue cones; rare, and affects men and women equally; ΔE 42.7 from the original

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

Contrast with white, large text3.63:1WCAG large text: AA

Contrast with black, large text5.79:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.6 Steel blue · ΔE 14.8 Dodgerblue · ΔE 21.3 Deep skyblue · ΔE 22.7 Light skyblue · ΔE 30.9 Royal blue · ΔE 35.4

Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.57, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#D76A1F

Analogous#1FD7C6, #1F30D7

Triadic#D71F8C, #8CD71F

Split complementary#D71F30, #D7C61F

Tetradic#C61FD7, #D76A1F, #30D71F

Tints, shades & saturation

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

Lighter +40%#CBE5F7

Lighter +30%#9ECFF1

Lighter +20%#71B9EB

Lighter +10%#45A3E4

Darker −10%#196FAA

Darker −20%#12527E

Darker −30%#0C3551

Darker −40%#051825

More saturated +25%#0092F6

Less saturated −25%#3E86B8

Channel breakdown

R31

G140

B215

Red31 (12.2%)

Green140 (54.9%)

Blue215 (84.3%)

Hue204.46°

Saturation (HSL)74.8%

Lightness48.24%

Dominant channelBlue

Hex per channelR 1F · G 8C · B D7

Keep nerding

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#1F8CD7

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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