Colour

#1810FF

#1810FF
Blue
Dark
Nearest: Blue

#1810FF is a blue with RGB values 24, 16, 255 and HSL 242°, 100%, 53%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1810FF#1810FF

HEX#1810FF

RGBrgb(24, 16, 255)

RGB (0–1)0.0941, 0.0627, 1

RGB percentages9.4%, 6.3%, 100%

HSLhsl(242, 100%, 53.1%)

HSV / HSBhsv(242, 93.7%, 100%)

CMYK90.6%, 93.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,577,215

CSS custom property--colour: #1810FF;

Brightness & contrast

Relative luminance0.07785WCAG 2.x, 0 is black and 1 is white

Perceived brightness88 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.21:1

Contrast with white8.21:1WCAG normal text: AAA

Contrast with black2.56:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#E7EF00

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005BFFno red cones; affects about 1% of men; ΔE 41.5 from the original

Deuteranopia#0041FBno green cones; the most common form, about 1% of men; ΔE 24.4 from the original

Tritanopia#006D97no blue cones; rare, and affects men and women equally; ΔE 115.8 from the original

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

Contrast with white, large text8.21:1WCAG large text: AAA

Contrast with black, large text2.56:1WCAG large text: Fail

Named colours

Blue · ΔE 3.4 Medium blue · ΔE 19.3 Blue violet · ΔE 33 Dark violet · ΔE 35.9 Dark orchid · ΔE 48.2 Dark blue · ΔE 49.3

Nearest named CSS colourBlue (#0000FF)ΔE 3.35, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F7FF10

Analogous#1080FF, #8F10FF

Triadic#FF1810, #10FF18

Split complementary#FF8F10, #80FF10

Tetradic#FF1080, #F7FF10, #10FF8F

Tints, shades & saturation

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

Lighter +40%#DDDCFF

Lighter +30%#ACA9FF

Lighter +20%#7B76FF

Lighter +10%#4943FF

Darker −10%#0700DC

Darker −20%#0600A9

Darker −30%#040076

Darker −40%#020043

More saturated +25%#1810FF

Less saturated −25%#342EE1

Channel breakdown

R24

G16

B255

Red24 (9.4%)

Green16 (6.3%)

Blue255 (100%)

Hue242.01°

Saturation (HSL)100%

Lightness53.14%

Dominant channelBlue

Hex per channelR 18 · G 10 · B FF

Keep nerding

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#1810FF

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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