Colour

#11151D

#11151D
Blue
Dark
Nearest: Black

#11151D is a blue with RGB values 17, 21, 29 and HSL 220°, 26%, 9%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#11151D#11151D

HEX#11151D

RGBrgb(17, 21, 29)

RGB (0–1)0.0667, 0.0824, 0.1137

RGB percentages6.7%, 8.2%, 11.4%

HSLhsl(220, 26.1%, 9%)

HSV / HSBhsv(220, 41.4%, 11.4%)

CMYK41.4%, 27.6%, 0%, 88.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,119,517

CSS custom property--colour: #11151D;

Brightness & contrast

Relative luminance0.00744WCAG 2.x, 0 is black and 1 is white

Perceived brightness21 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.28:1

Contrast with white18.28:1WCAG normal text: AAA

Contrast with black1.15:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#EEEAE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#12151Dno red cones; affects about 1% of men; ΔE 0.4 from the original

Deuteranopia#11141Dno green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#0E1718no blue cones; rare, and affects men and women equally; ΔE 5.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.28:1WCAG large text: AAA

Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 9.1 Dark slate grey · ΔE 27.5 Dim grey · ΔE 38.2 Slate grey · ΔE 46.4 Gray · ΔE 47.3 Light slate grey · ΔE 49.5

Nearest named CSS colourBlack (#000000)ΔE 9.13, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1D1911

Analogous#111B1D, #13111D

Triadic#1D1115, #151D11

Split complementary#1D1311, #1B1D11

Tetradic#1D111B, #1D1911, #111D13

Tints, shades & saturation

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

Lighter +40%#5C729E

Lighter +30%#4A5B7D

Lighter +20%#37445D

Lighter +10%#242C3D

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0B1323

Less saturated −25%#171717

Channel breakdown

R17

G21

B29

Red17 (6.7%)

Green21 (8.2%)

Blue29 (11.4%)

Hue220°

Saturation (HSL)26.09%

Lightness9.02%

Dominant channelBlue

Hex per channelR 11 · G 15 · B 1D

Keep nerding

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#11151D

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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