Colour

#135AFF

#135AFF
Blue
Dark
Nearest: Medium slateblue

#135AFF is a blue with RGB values 19, 90, 255 and HSL 222°, 100%, 54%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#135AFF#135AFF

HEX#135AFF

RGBrgb(19, 90, 255)

RGB (0–1)0.0745, 0.3529, 1

RGB percentages7.5%, 35.3%, 100%

HSLhsl(221.9, 100%, 53.7%)

HSV / HSBhsv(221.9, 92.5%, 100%)

CMYK92.5%, 64.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,268,479

CSS custom property--colour: #135AFF;

Brightness & contrast

Relative luminance0.14671WCAG 2.x, 0 is black and 1 is white

Perceived brightness110.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.34:1

Contrast with white5.34:1WCAG normal text: AA

Contrast with black3.93:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#ECA500

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0076FFno red cones; affects about 1% of men; ΔE 22.4 from the original

Deuteranopia#0060FCno green cones; the most common form, about 1% of men; ΔE 6.3 from the original

Tritanopia#0087A5no blue cones; rare, and affects men and women equally; ΔE 88.5 from the original

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

Contrast with white, large text5.34:1WCAG large text: AAA

Contrast with black, large text3.93:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 22.3 Royal blue · ΔE 27.2 Blue violet · ΔE 29.3 Slate blue · ΔE 29.6 Medium blue · ΔE 31.8 Dark orchid · ΔE 34.4

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 22.3, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#FFB813

Analogous#13D0FF, #4213FF

Triadic#FF135A, #5AFF13

Split complementary#FF4213, #D0FF13

Tetradic#FF13D0, #FFB813, #13FF42

Tints, shades & saturation

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

Lighter +40%#DFE9FF

Lighter +30%#ACC5FF

Lighter +20%#79A1FF

Lighter +10%#467EFF

Darker −10%#0043DF

Darker −20%#0034AC

Darker −30%#002479

Darker −40%#001546

More saturated +25%#135AFF

Less saturated −25%#3166E2

Channel breakdown

R19

G90

B255

Red19 (7.5%)

Green90 (35.3%)

Blue255 (100%)

Hue221.95°

Saturation (HSL)100%

Lightness53.73%

Dominant channelBlue

Hex per channelR 13 · G 5A · B FF

Keep nerding

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#135AFF

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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