Colour

#1B0FFF

#1B0FFF
Blue
Dark
Nearest: Blue

#1B0FFF is a blue with RGB values 27, 15, 255 and HSL 243°, 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

#1B0FFF#1B0FFF

HEX#1B0FFF

RGBrgb(27, 15, 255)

RGB (0–1)0.1059, 0.0588, 1

RGB percentages10.6%, 5.9%, 100%

HSLhsl(243, 100%, 52.9%)

HSV / HSBhsv(243, 94.1%, 100%)

CMYK89.4%, 94.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,773,567

CSS custom property--colour: #1B0FFF;

Brightness & contrast

Relative luminance0.07795WCAG 2.x, 0 is black and 1 is white

Perceived brightness88.1 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#E4F000

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#005BFFno red cones; affects about 1% of men; ΔE 41.6 from the original

Deuteranopia#0042FBno green cones; the most common form, about 1% of men; ΔE 25.2 from the original

Tritanopia#006C97no blue cones; rare, and affects men and women equally; ΔE 115.2 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 3.2 Medium blue · ΔE 19.4 Blue violet · ΔE 33 Dark violet · ΔE 35.9 Dark orchid · ΔE 48.2 Dark blue · ΔE 49.4

Nearest named CSS colourBlue (#0000FF)ΔE 3.23, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F3FF0F

Analogous#0F7BFF, #930FFF

Triadic#FF1B0F, #0FFF1B

Split complementary#FF930F, #7BFF0F

Tetradic#FF0F7B, #F3FF0F, #0FFF93

Tints, shades & saturation

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

Lighter +40%#DDDBFF

Lighter +30%#ACA8FF

Lighter +20%#7C75FF

Lighter +10%#4B42FF

Darker −10%#0B00DB

Darker −20%#0800A8

Darker −30%#060075

Darker −40%#030042

More saturated +25%#1B0FFF

Less saturated −25%#362DE1

Channel breakdown

R27

G15

B255

Red27 (10.6%)

Green15 (5.9%)

Blue255 (100%)

Hue243°

Saturation (HSL)100%

Lightness52.94%

Dominant channelBlue

Hex per channelR 1B · G 0F · B FF

Keep nerding

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

#1B0FFF

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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