Recognised as Colour

#B22E11

#B22E11
Red
Dark
Nearest: Firebrick

#B22E11 is a red with RGB values 178, 46, 17 and HSL 11°, 83%, 38%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B22E11#B22E11

HEX#B22E11

RGBrgb(178, 46, 17)

RGB (0–1)0.698, 0.1804, 0.0667

RGB percentages69.8%, 18%, 6.7%

HSLhsl(10.8, 82.6%, 38.2%)

HSV / HSBhsv(10.8, 90.4%, 69.8%)

CMYK0%, 74.2%, 90.4%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,677,201

CSS custom property--colour: #B22E11;

Brightness & contrast

Relative luminance0.11459WCAG 2.x, 0 is black and 1 is white

Perceived brightness103.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.38:1

Contrast with white6.38:1WCAG normal text: AA

Contrast with black3.29:1WCAG normal text: Fail

Greyscale equivalent#484848

Inverted#4DD1EE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#574C09no red cones; affects about 1% of men; ΔE 56.1 from the original

Deuteranopia#776A04no green cones; the most common form, about 1% of men; ΔE 56.9 from the original

Tritanopia#C5002Ano blue cones; rare, and affects men and women equally; ΔE 18.3 from the original

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

Contrast with white, large text6.38:1WCAG large text: AAA

Contrast with black, large text3.29:1WCAG large text: AA

Named colours

Firebrick · ΔE 10.3 Dark red · ΔE 13.5 Brown · ΔE 16.8 Maroon · ΔE 17.7 Tomato · ΔE 22.7 Chocolate · ΔE 23.6

Nearest named CSS colourFirebrick (#B22222)ΔE 10.31, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1195B2

Analogous#B21144, #B27F11

Triadic#11B22E, #2E11B2

Split complementary#11B27F, #1144B2

Tetradic#44B211, #1195B2, #7F11B2

Tints, shades & saturation

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

Lighter +40%#F5AA9A

Lighter +30%#F1836B

Lighter +20%#EC5C3D

Lighter +10%#E13A15

Darker −10%#83220D

Darker −20%#551608

Darker −30%#260A04

Darker −40%#000000

More saturated +25%#C32300

Less saturated −25%#9A3E29

Channel breakdown

R178

G46

B17

Red178 (69.8%)

Green46 (18%)

Blue17 (6.7%)

Hue10.81°

Saturation (HSL)82.56%

Lightness38.24%

Dominant channelRed

Hex per channelR B2 · G 2E · B 11

Keep nerding

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

#B22E11

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

Nerdulate something else