Recognised as Colour

#B00019

#B00019
Red
Dark
Nearest: Firebrick

#B00019 is a red with RGB values 176, 0, 25 and HSL 351°, 100%, 35%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#B00019#B00019

HEX#B00019

RGBrgb(176, 0, 25)

RGB (0–1)0.6902, 0, 0.098

RGB percentages69%, 0%, 9.8%

HSLhsl(351.5, 100%, 34.5%)

HSV / HSBhsv(351.5, 100%, 69%)

CMYK0%, 100%, 85.8%, 31%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,534,361

CSS custom property--colour: #B00019;

Brightness & contrast

Relative luminance0.093WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.34:1

Contrast with white7.34:1WCAG normal text: AAA

Contrast with black2.86:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#4FFFE6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#484017no red cones; affects about 1% of men; ΔE 65.8 from the original

Deuteranopia#6E620Eno green cones; the most common form, about 1% of men; ΔE 65.8 from the original

Tritanopia#C30010no blue cones; rare, and affects men and women equally; ΔE 11.1 from the original

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

Contrast with white, large text7.34:1WCAG large text: AAA

Contrast with black, large text2.86:1WCAG large text: Fail

Named colours

Firebrick · ΔE 6.2 Dark red · ΔE 13.2 Brown · ΔE 14.8 Crimson · ΔE 15.8 Maroon · ΔE 17.1 Tomato · ΔE 26.6

Nearest named CSS colourFirebrick (#B22222)ΔE 6.17, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B097

Analogous#B00071, #B03F00

Triadic#19B000, #0019B0

Split complementary#00B03F, #0071B0

Tetradic#71B000, #00B097, #3F00B0

Tints, shades & saturation

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

Lighter +40%#FF7D8F

Lighter +30%#FF4A64

Lighter +20%#FF1738

Lighter +10%#E30020

Darker −10%#7D0012

Darker −20%#4A000B

Darker −30%#170003

Darker −40%#000000

More saturated +25%#B00019

Less saturated −25%#9A1629

Channel breakdown

R176

B25

Red176 (69%)

Green0 (0%)

Blue25 (9.8%)

Hue351.48°

Saturation (HSL)100%

Lightness34.51%

Dominant channelRed

Hex per channelR B0 · G 00 · B 19

Keep nerding

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

#B00019

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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