Colour

#1B0134

#1B0134
Violet
Dark
Nearest: Midnight blue

#1B0134 is a violet with RGB values 27, 1, 52 and HSL 271°, 96%, 10%. It is a dark colour, so white text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1B0134#1B0134

HEX#1B0134

RGBrgb(27, 1, 52)

RGB (0–1)0.1059, 0.0039, 0.2039

RGB percentages10.6%, 0.4%, 20.4%

HSLhsl(270.6, 96.2%, 10.4%)

HSV / HSBhsv(270.6, 98.1%, 20.4%)

CMYK48.1%, 98.1%, 0%, 79.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,769,780

CSS custom property--colour: #1B0134;

Brightness & contrast

Relative luminance0.00503WCAG 2.x, 0 is black and 1 is white

Perceived brightness23 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.08:1

Contrast with white19.08:1WCAG normal text: AAA

Contrast with black1.1:1WCAG normal text: Fail

Greyscale equivalent#0A0A0A

Inverted#E4FECB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#000F35no red cones; affects about 1% of men; ΔE 14 from the original

Deuteranopia#000F33no green cones; the most common form, about 1% of men; ΔE 15.2 from the original

Tritanopia#150E1Bno blue cones; rare, and affects men and women equally; ΔE 26.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.08:1WCAG large text: AAA

Contrast with black, large text1.1:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 26.5 Dark slateblue · ΔE 30.4 Black · ΔE 36.3 Rebecca purple · ΔE 39.7 Indigo · ΔE 41.5 Purple · ΔE 44.2

Nearest named CSS colourMidnight blue (#191970)ΔE 26.53, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1A3401

Analogous#010134, #340134

Triadic#341B01, #01341B

Split complementary#343401, #013401

Tetradic#340101, #1A3401, #013434

Tints, shades & saturation

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

Lighter +40%#8307FA

Lighter +30%#6904CA

Lighter +20%#4F0398

Lighter +10%#350266

Darker −10%#010002

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1B0035

Less saturated −25%#1B082D

Channel breakdown

R27

B52

Red27 (10.6%)

Green1 (0.4%)

Blue52 (20.4%)

Hue270.59°

Saturation (HSL)96.23%

Lightness10.39%

Dominant channelBlue

Hex per channelR 1B · G 01 · B 34

Keep nerding

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#1B0134

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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