Recognised as Colour

#B01F18

#B01F18
Red
Dark
Nearest: Firebrick

#B01F18 is a red with RGB values 176, 31, 24 and HSL 3°, 76%, 39%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B01F18#B01F18

HEX#B01F18

RGBrgb(176, 31, 24)

RGB (0–1)0.6902, 0.1216, 0.0941

RGB percentages69%, 12.2%, 9.4%

HSLhsl(2.8, 76%, 39.2%)

HSV / HSBhsv(2.8, 86.4%, 69%)

CMYK0%, 82.4%, 86.4%, 31%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,542,296

CSS custom property--colour: #B01F18;

Brightness & contrast

Relative luminance0.10276WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.87:1

Contrast with white6.87:1WCAG normal text: AA

Contrast with black3.06:1WCAG normal text: Fail

Greyscale equivalent#3D3D3D

Inverted#4FE0E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F4615no red cones; affects about 1% of men; ΔE 60.6 from the original

Deuteranopia#72650Eno green cones; the most common form, about 1% of men; ΔE 60.4 from the original

Tritanopia#C20020no blue cones; rare, and affects men and women equally; ΔE 10.1 from the original

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

Contrast with white, large text6.87:1WCAG large text: AAA

Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Firebrick · ΔE 4.5 Dark red · ΔE 11.4 Brown · ΔE 13.1 Maroon · ΔE 15.5 Crimson · ΔE 19.3 Tomato · ΔE 24.3

Nearest named CSS colourFirebrick (#B22222)ΔE 4.5, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#18A9B0

Analogous#B0185D, #B06B18

Triadic#18B01F, #1F18B0

Split complementary#18B06B, #185DB0

Tetradic#5DB018, #18A9B0, #6B18B0

Tints, shades & saturation

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

Lighter +40%#F2A5A2

Lighter +30%#EC7A75

Lighter +20%#E64F48

Lighter +10%#DD271E

Darker −10%#831712

Darker −20%#560F0C

Darker −30%#290706

Darker −40%#000000

More saturated +25%#C80900

Less saturated −25%#973631

Channel breakdown

R176

G31

B24

Red176 (69%)

Green31 (12.2%)

Blue24 (9.4%)

Hue2.76°

Saturation (HSL)76%

Lightness39.22%

Dominant channelRed

Hex per channelR B0 · G 1F · B 18

Keep nerding

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

#B01F18

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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