Recognised as Colour
#B23405
- #B23405
- Orange
- Dark
- Nearest: Firebrick
#B23405 is a orange with RGB values 178, 52, 5 and HSL 16°, 95%, 36%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Firebrick.
Colour values
#B23405#B23405
HEX#B23405
RGBrgb(178, 52, 5)
RGB (0–1)0.698, 0.2039, 0.0196
RGB percentages69.8%, 20.4%, 2%
HSLhsl(16.3, 94.5%, 35.9%)
HSV / HSBhsv(16.3, 97.2%, 69.8%)
CMYK0%, 70.8%, 97.2%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,678,725
CSS custom property--colour: #B23405;
Brightness & contrast
Relative luminance0.11932WCAG 2.x, 0 is black and 1 is white
Perceived brightness105.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.2:1
Contrast with white6.2:1WCAG normal text: AA
Contrast with black3.39:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#4DCBFA
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.2:1WCAG large text: AAA
Contrast with black, large text3.39:1WCAG large text: AA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0583B2
Analogous#B2052D, #B28B05
Triadic#05B234, #3405B2
Split complementary#05B28B, #052DB2
Tetradic#2DB205, #0583B2, #8B05B2
Tints, shades & saturation
Channel breakdown
R178
G52
B5
Red178 (69.8%)
Green52 (20.4%)
Blue5 (2%)
Hue16.3°
Saturation (HSL)94.54%
Lightness35.88%
Dominant channelRed
Hex per channelR B2 · G 34 · B 05
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
B23405 (chemical formula)
- Formula
- 253,008.05 g/mol
- 23405 atoms
B23405 has a molar mass of 253,008.05 g/mol, made up of 23405 atoms across 1 element: 23405 × B.
Molar mass
Molar mass253,008.05 g/mol
Total atoms per molecule23405
Distinct elements1
Mass of one molecule4.2012975 × 10^-19 g
Molecules per gram2.3802171 × 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 × 23405)253,008.05 g/mol, 100%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Elements in this formula
Nerdulate something else
Nothing in mind? Surprise me · today’s page