Recognised as Colour
#B10723
- #B10723
- Red
- Dark
- Nearest: Firebrick
#B10723 is a red with RGB values 177, 7, 35 and HSL 350°, 92%, 36%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Firebrick.
Colour values
#B10723#B10723
HEX#B10723
RGBrgb(177, 7, 35)
RGB (0–1)0.6941, 0.0275, 0.1373
RGB percentages69.4%, 2.7%, 13.7%
HSLhsl(350.1, 92.4%, 36.1%)
HSV / HSBhsv(350.1, 96%, 69.4%)
CMYK0%, 96%, 80.2%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,601,699
CSS custom property--colour: #B10723;
Brightness & contrast
Relative luminance0.0962WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.18:1
Contrast with white7.18:1WCAG normal text: AAA
Contrast with black2.92:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#4EF8DC
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.18:1WCAG large text: AAA
Contrast with black, large text2.92:1WCAG large text: Fail
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#07B195
Analogous#B10778, #B14007
Triadic#23B107, #0723B1
Split complementary#07B140, #0778B1
Tetradic#78B107, #07B195, #4007B1
Tints, shades & saturation
Channel breakdown
R177
G7
B35
Red177 (69.4%)
Green7 (2.7%)
Blue35 (13.7%)
Hue350.12°
Saturation (HSL)92.39%
Lightness36.08%
Dominant channelRed
Hex per channelR B1 · G 07 · B 23
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Also reads as
B10723 (chemical formula)
- Formula
- 115,915.63 g/mol
- 10723 atoms
B10723 has a molar mass of 115,915.63 g/mol, made up of 10723 atoms across 1 element: 10723 × B.
Molar mass
Molar mass115,915.63 g/mol
Total atoms per molecule10723
Distinct elements1
Mass of one molecule1.9248243 × 10^-19 g
Molecules per gram5.1952793 × 10^18
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
B100%
Boron (B × 10723)115,915.63 g/mol, 100%
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